Home / 123,809.12-170,854.90-70,092.76

Finding the Fourth Proportional to 123,809.12, 170,854.90 and 70,092.76

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Solution

The fourth proportional to 123,809.12, 170,854.90 and 70,092.76 is: 96,727.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,809.12 : 170,854.90 = 70,092.76 : x
  2. Step 2: Convert to fraction form
    123,809.12/170,854.90 = 70,092.76/x
  3. Step 3: Cross multiply
    123,809.12x = 170,854.90 × 70,092.76
  4. Step 4: Simplify right side
    123,809.12x = 11,975,691,500.52
  5. Step 5: Solve for x
    x = 11,975,691,500.52/123,809.12
  6. Step 6: Final answer
    x = 96,727.05

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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.