Home / 125,155.14-172,726.48-71,448.24

Finding the Fourth Proportional to 125,155.14, 172,726.48 and 71,448.24

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Solution

The fourth proportional to 125,155.14, 172,726.48 and 71,448.24 is: 98,605.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,155.14 : 172,726.48 = 71,448.24 : x
  2. Step 2: Convert to fraction form
    125,155.14/172,726.48 = 71,448.24/x
  3. Step 3: Cross multiply
    125,155.14x = 172,726.48 × 71,448.24
  4. Step 4: Simplify right side
    125,155.14x = 12,341,002,997.40
  5. Step 5: Solve for x
    x = 12,341,002,997.40/125,155.14
  6. Step 6: Final answer
    x = 98,605.64

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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.