Home / 87,646.95-131,366.60-40,222.07

Finding the Fourth Proportional to 87,646.95, 131,366.60 and 40,222.07

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Solution

The fourth proportional to 87,646.95, 131,366.60 and 40,222.07 is: 60,285.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,646.95 : 131,366.60 = 40,222.07 : x
  2. Step 2: Convert to fraction form
    87,646.95/131,366.60 = 40,222.07/x
  3. Step 3: Cross multiply
    87,646.95x = 131,366.60 × 40,222.07
  4. Step 4: Simplify right side
    87,646.95x = 5,283,836,580.86
  5. Step 5: Solve for x
    x = 5,283,836,580.86/87,646.95
  6. Step 6: Final answer
    x = 60,285.46

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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.