Home / 84,186.68-126,221.46-42,605.24

Finding the Fourth Proportional to 84,186.68, 126,221.46 and 42,605.24

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Solution

The fourth proportional to 84,186.68, 126,221.46 and 42,605.24 is: 63,878.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,186.68 : 126,221.46 = 42,605.24 : x
  2. Step 2: Convert to fraction form
    84,186.68/126,221.46 = 42,605.24/x
  3. Step 3: Cross multiply
    84,186.68x = 126,221.46 × 42,605.24
  4. Step 4: Simplify right side
    84,186.68x = 5,377,695,596.45
  5. Step 5: Solve for x
    x = 5,377,695,596.45/84,186.68
  6. Step 6: Final answer
    x = 63,878.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.