Home / 87,306.44-130,225.21-84,682.76

Finding the Fourth Proportional to 87,306.44, 130,225.21 and 84,682.76

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Solution

The fourth proportional to 87,306.44, 130,225.21 and 84,682.76 is: 126,311.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,306.44 : 130,225.21 = 84,682.76 : x
  2. Step 2: Convert to fraction form
    87,306.44/130,225.21 = 84,682.76/x
  3. Step 3: Cross multiply
    87,306.44x = 130,225.21 × 84,682.76
  4. Step 4: Simplify right side
    87,306.44x = 11,027,830,204.38
  5. Step 5: Solve for x
    x = 11,027,830,204.38/87,306.44
  6. Step 6: Final answer
    x = 126,311.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.