Home / 155,205.94-232,614.13-66,355.02

Finding the Fourth Proportional to 155,205.94, 232,614.13 and 66,355.02

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Solution

The fourth proportional to 155,205.94, 232,614.13 and 66,355.02 is: 99,449.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,205.94 : 232,614.13 = 66,355.02 : x
  2. Step 2: Convert to fraction form
    155,205.94/232,614.13 = 66,355.02/x
  3. Step 3: Cross multiply
    155,205.94x = 232,614.13 × 66,355.02
  4. Step 4: Simplify right side
    155,205.94x = 15,435,115,248.43
  5. Step 5: Solve for x
    x = 15,435,115,248.43/155,205.94
  6. Step 6: Final answer
    x = 99,449.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.