Home / 87,387.40-131,094.06-28,212.04

Finding the Fourth Proportional to 87,387.40, 131,094.06 and 28,212.04

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Solution

The fourth proportional to 87,387.40, 131,094.06 and 28,212.04 is: 42,322.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,387.40 : 131,094.06 = 28,212.04 : x
  2. Step 2: Convert to fraction form
    87,387.40/131,094.06 = 28,212.04/x
  3. Step 3: Cross multiply
    87,387.40x = 131,094.06 × 28,212.04
  4. Step 4: Simplify right side
    87,387.40x = 3,698,430,864.48
  5. Step 5: Solve for x
    x = 3,698,430,864.48/87,387.40
  6. Step 6: Final answer
    x = 42,322.24

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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.