Home / 155,414.87-214,266.07-101,607.38

Finding the Fourth Proportional to 155,414.87, 214,266.07 and 101,607.38

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Solution

The fourth proportional to 155,414.87, 214,266.07 and 101,607.38 is: 140,083.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,414.87 : 214,266.07 = 101,607.38 : x
  2. Step 2: Convert to fraction form
    155,414.87/214,266.07 = 101,607.38/x
  3. Step 3: Cross multiply
    155,414.87x = 214,266.07 × 101,607.38
  4. Step 4: Simplify right side
    155,414.87x = 21,771,014,277.24
  5. Step 5: Solve for x
    x = 21,771,014,277.24/155,414.87
  6. Step 6: Final answer
    x = 140,083.21

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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.