Home / 125,092.40-172,618.20-70,641.27

Finding the Fourth Proportional to 125,092.40, 172,618.20 and 70,641.27

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Solution

The fourth proportional to 125,092.40, 172,618.20 and 70,641.27 is: 97,479.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,092.40 : 172,618.20 = 70,641.27 : x
  2. Step 2: Convert to fraction form
    125,092.40/172,618.20 = 70,641.27/x
  3. Step 3: Cross multiply
    125,092.40x = 172,618.20 × 70,641.27
  4. Step 4: Simplify right side
    125,092.40x = 12,193,968,873.11
  5. Step 5: Solve for x
    x = 12,193,968,873.11/125,092.40
  6. Step 6: Final answer
    x = 97,479.70

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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.