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Finding the Fourth Proportional to 155,237.50, 214,228.02 and 88,169.50

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Solution

The fourth proportional to 155,237.50, 214,228.02 and 88,169.50 is: 121,674.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,237.50 : 214,228.02 = 88,169.50 : x
  2. Step 2: Convert to fraction form
    155,237.50/214,228.02 = 88,169.50/x
  3. Step 3: Cross multiply
    155,237.50x = 214,228.02 × 88,169.50
  4. Step 4: Simplify right side
    155,237.50x = 18,888,377,409.39
  5. Step 5: Solve for x
    x = 18,888,377,409.39/155,237.50
  6. Step 6: Final answer
    x = 121,674.06

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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.