Home / 87,184.28-130,611.36-51,538.88

Finding the Fourth Proportional to 87,184.28, 130,611.36 and 51,538.88

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Solution

The fourth proportional to 87,184.28, 130,611.36 and 51,538.88 is: 77,210.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,184.28 : 130,611.36 = 51,538.88 : x
  2. Step 2: Convert to fraction form
    87,184.28/130,611.36 = 51,538.88/x
  3. Step 3: Cross multiply
    87,184.28x = 130,611.36 × 51,538.88
  4. Step 4: Simplify right side
    87,184.28x = 6,731,563,209.68
  5. Step 5: Solve for x
    x = 6,731,563,209.68/87,184.28
  6. Step 6: Final answer
    x = 77,210.74

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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.