Home / 125,298.19-172,744.20-99,542.18

Finding the Fourth Proportional to 125,298.19, 172,744.20 and 99,542.18

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Solution

The fourth proportional to 125,298.19, 172,744.20 and 99,542.18 is: 137,235.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,298.19 : 172,744.20 = 99,542.18 : x
  2. Step 2: Convert to fraction form
    125,298.19/172,744.20 = 99,542.18/x
  3. Step 3: Cross multiply
    125,298.19x = 172,744.20 × 99,542.18
  4. Step 4: Simplify right side
    125,298.19x = 17,195,334,250.36
  5. Step 5: Solve for x
    x = 17,195,334,250.36/125,298.19
  6. Step 6: Final answer
    x = 137,235.30

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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.