Home / 115,398.90-172,785.56-59,878.26

Finding the Fourth Proportional to 115,398.90, 172,785.56 and 59,878.26

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Solution

The fourth proportional to 115,398.90, 172,785.56 and 59,878.26 is: 89,655.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,398.90 : 172,785.56 = 59,878.26 : x
  2. Step 2: Convert to fraction form
    115,398.90/172,785.56 = 59,878.26/x
  3. Step 3: Cross multiply
    115,398.90x = 172,785.56 × 59,878.26
  4. Step 4: Simplify right side
    115,398.90x = 10,346,098,386.53
  5. Step 5: Solve for x
    x = 10,346,098,386.53/115,398.90
  6. Step 6: Final answer
    x = 89,655.09

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1.5x scale

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.