Home / 87,000.40-130,500.60-73,222.30

Finding the Fourth Proportional to 87,000.40, 130,500.60 and 73,222.30

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Solution

The fourth proportional to 87,000.40, 130,500.60 and 73,222.30 is: 109,833.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,000.40 : 130,500.60 = 73,222.30 : x
  2. Step 2: Convert to fraction form
    87,000.40/130,500.60 = 73,222.30/x
  3. Step 3: Cross multiply
    87,000.40x = 130,500.60 × 73,222.30
  4. Step 4: Simplify right side
    87,000.40x = 9,555,554,083.38
  5. Step 5: Solve for x
    x = 9,555,554,083.38/87,000.40
  6. Step 6: Final answer
    x = 109,833.45

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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.