Home / 87,410.07-131,115.17-37,457.78

Finding the Fourth Proportional to 87,410.07, 131,115.17 and 37,457.78

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Solution

The fourth proportional to 87,410.07, 131,115.17 and 37,457.78 is: 56,186.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,410.07 : 131,115.17 = 37,457.78 : x
  2. Step 2: Convert to fraction form
    87,410.07/131,115.17 = 37,457.78/x
  3. Step 3: Cross multiply
    87,410.07x = 131,115.17 × 37,457.78
  4. Step 4: Simplify right side
    87,410.07x = 4,911,282,630.59
  5. Step 5: Solve for x
    x = 4,911,282,630.59/87,410.07
  6. Step 6: Final answer
    x = 56,186.69

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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.