Home / 125,234.04-172,825.07-67,875.20

Finding the Fourth Proportional to 125,234.04, 172,825.07 and 67,875.20

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Solution

The fourth proportional to 125,234.04, 172,825.07 and 67,875.20 is: 93,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,234.04 : 172,825.07 = 67,875.20 : x
  2. Step 2: Convert to fraction form
    125,234.04/172,825.07 = 67,875.20/x
  3. Step 3: Cross multiply
    125,234.04x = 172,825.07 × 67,875.20
  4. Step 4: Simplify right side
    125,234.04x = 11,730,534,987.76
  5. Step 5: Solve for x
    x = 11,730,534,987.76/125,234.04
  6. Step 6: Final answer
    x = 93,668.90

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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.