Home / 87,411.23-131,117-37,458.93

Finding the Fourth Proportional to 87,411.23, 131,117 and 37,458.93

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Solution

The fourth proportional to 87,411.23, 131,117 and 37,458.93 is: 56,188.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,411.23 : 131,117 = 37,458.93 : x
  2. Step 2: Convert to fraction form
    87,411.23/131,117 = 37,458.93/x
  3. Step 3: Cross multiply
    87,411.23x = 131,117 × 37,458.93
  4. Step 4: Simplify right side
    87,411.23x = 4,911,502,524.81
  5. Step 5: Solve for x
    x = 4,911,502,524.81/87,411.23
  6. Step 6: Final answer
    x = 56,188.46

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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.