Home / 87,248.22-130,911.21-45,685.50

Finding the Fourth Proportional to 87,248.22, 130,911.21 and 45,685.50

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Solution

The fourth proportional to 87,248.22, 130,911.21 and 45,685.50 is: 68,548.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,248.22 : 130,911.21 = 45,685.50 : x
  2. Step 2: Convert to fraction form
    87,248.22/130,911.21 = 45,685.50/x
  3. Step 3: Cross multiply
    87,248.22x = 130,911.21 × 45,685.50
  4. Step 4: Simplify right side
    87,248.22x = 5,980,744,084.46
  5. Step 5: Solve for x
    x = 5,980,744,084.46/87,248.22
  6. Step 6: Final answer
    x = 68,548.61

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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.