Home / 125,119.48-172,658.10-71,409.52

Finding the Fourth Proportional to 125,119.48, 172,658.10 and 71,409.52

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Solution

The fourth proportional to 125,119.48, 172,658.10 and 71,409.52 is: 98,541.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,119.48 : 172,658.10 = 71,409.52 : x
  2. Step 2: Convert to fraction form
    125,119.48/172,658.10 = 71,409.52/x
  3. Step 3: Cross multiply
    125,119.48x = 172,658.10 × 71,409.52
  4. Step 4: Simplify right side
    125,119.48x = 12,329,432,045.11
  5. Step 5: Solve for x
    x = 12,329,432,045.11/125,119.48
  6. Step 6: Final answer
    x = 98,541.27

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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.