Home / 125,180.52-172,756.04-71,482.80

Finding the Fourth Proportional to 125,180.52, 172,756.04 and 71,482.80

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Solution

The fourth proportional to 125,180.52, 172,756.04 and 71,482.80 is: 98,650.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,180.52 : 172,756.04 = 71,482.80 : x
  2. Step 2: Convert to fraction form
    125,180.52/172,756.04 = 71,482.80/x
  3. Step 3: Cross multiply
    125,180.52x = 172,756.04 × 71,482.80
  4. Step 4: Simplify right side
    125,180.52x = 12,349,085,456.11
  5. Step 5: Solve for x
    x = 12,349,085,456.11/125,180.52
  6. Step 6: Final answer
    x = 98,650.22

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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.