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Finding the Fourth Proportional to 155,607.95, 214,480.82 and 110,227.70

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Solution

The fourth proportional to 155,607.95, 214,480.82 and 110,227.70 is: 151,931.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,607.95 : 214,480.82 = 110,227.70 : x
  2. Step 2: Convert to fraction form
    155,607.95/214,480.82 = 110,227.70/x
  3. Step 3: Cross multiply
    155,607.95x = 214,480.82 × 110,227.70
  4. Step 4: Simplify right side
    155,607.95x = 23,641,728,294.49
  5. Step 5: Solve for x
    x = 23,641,728,294.49/155,607.95
  6. Step 6: Final answer
    x = 151,931.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.