Home / 87,444.20-131,166.30-28,322.30

Finding the Fourth Proportional to 87,444.20, 131,166.30 and 28,322.30

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Solution

The fourth proportional to 87,444.20, 131,166.30 and 28,322.30 is: 42,483.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,444.20 : 131,166.30 = 28,322.30 : x
  2. Step 2: Convert to fraction form
    87,444.20/131,166.30 = 28,322.30/x
  3. Step 3: Cross multiply
    87,444.20x = 131,166.30 × 28,322.30
  4. Step 4: Simplify right side
    87,444.20x = 3,714,931,298.49
  5. Step 5: Solve for x
    x = 3,714,931,298.49/87,444.20
  6. Step 6: Final answer
    x = 42,483.45

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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.