Home / 125,244.20-172,838.40-71,536.34

Finding the Fourth Proportional to 125,244.20, 172,838.40 and 71,536.34

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Solution

The fourth proportional to 125,244.20, 172,838.40 and 71,536.34 is: 98,720.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,244.20 : 172,838.40 = 71,536.34 : x
  2. Step 2: Convert to fraction form
    125,244.20/172,838.40 = 71,536.34/x
  3. Step 3: Cross multiply
    125,244.20x = 172,838.40 × 71,536.34
  4. Step 4: Simplify right side
    125,244.20x = 12,364,226,547.46
  5. Step 5: Solve for x
    x = 12,364,226,547.46/125,244.20
  6. Step 6: Final answer
    x = 98,720.95

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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.