Home / 87,232.60-130,848.90-81,983.80

Finding the Fourth Proportional to 87,232.60, 130,848.90 and 81,983.80

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Solution

The fourth proportional to 87,232.60, 130,848.90 and 81,983.80 is: 122,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,232.60 : 130,848.90 = 81,983.80 : x
  2. Step 2: Convert to fraction form
    87,232.60/130,848.90 = 81,983.80/x
  3. Step 3: Cross multiply
    87,232.60x = 130,848.90 × 81,983.80
  4. Step 4: Simplify right side
    87,232.60x = 10,727,490,047.82
  5. Step 5: Solve for x
    x = 10,727,490,047.82/87,232.60
  6. Step 6: Final answer
    x = 122,975.70

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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.