Home / 87,461.56-131,178.57-31,292.92

Finding the Fourth Proportional to 87,461.56, 131,178.57 and 31,292.92

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Solution

The fourth proportional to 87,461.56, 131,178.57 and 31,292.92 is: 46,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,461.56 : 131,178.57 = 31,292.92 : x
  2. Step 2: Convert to fraction form
    87,461.56/131,178.57 = 31,292.92/x
  3. Step 3: Cross multiply
    87,461.56x = 131,178.57 × 31,292.92
  4. Step 4: Simplify right side
    87,461.56x = 4,104,960,496.72
  5. Step 5: Solve for x
    x = 4,104,960,496.72/87,461.56
  6. Step 6: Final answer
    x = 46,934.45

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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.