Home / 125,120.85-172,623.87-71,367.18

Finding the Fourth Proportional to 125,120.85, 172,623.87 and 71,367.18

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Solution

The fourth proportional to 125,120.85, 172,623.87 and 71,367.18 is: 98,462.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,120.85 : 172,623.87 = 71,367.18 : x
  2. Step 2: Convert to fraction form
    125,120.85/172,623.87 = 71,367.18/x
  3. Step 3: Cross multiply
    125,120.85x = 172,623.87 × 71,367.18
  4. Step 4: Simplify right side
    125,120.85x = 12,319,678,802.59
  5. Step 5: Solve for x
    x = 12,319,678,802.59/125,120.85
  6. Step 6: Final answer
    x = 98,462.24

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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.