Home / 87,290.46-130,932.45-51,996.06

Finding the Fourth Proportional to 87,290.46, 130,932.45 and 51,996.06

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Solution

The fourth proportional to 87,290.46, 130,932.45 and 51,996.06 is: 77,992.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,290.46 : 130,932.45 = 51,996.06 : x
  2. Step 2: Convert to fraction form
    87,290.46/130,932.45 = 51,996.06/x
  3. Step 3: Cross multiply
    87,290.46x = 130,932.45 × 51,996.06
  4. Step 4: Simplify right side
    87,290.46x = 6,807,971,526.15
  5. Step 5: Solve for x
    x = 6,807,971,526.15/87,290.46
  6. Step 6: Final answer
    x = 77,992.16

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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.