Home / 87,102.24-130,652.88-31,698.24

Finding the Fourth Proportional to 87,102.24, 130,652.88 and 31,698.24

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Solution

The fourth proportional to 87,102.24, 130,652.88 and 31,698.24 is: 47,547.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,102.24 : 130,652.88 = 31,698.24 : x
  2. Step 2: Convert to fraction form
    87,102.24/130,652.88 = 31,698.24/x
  3. Step 3: Cross multiply
    87,102.24x = 130,652.88 × 31,698.24
  4. Step 4: Simplify right side
    87,102.24x = 4,141,466,346.93
  5. Step 5: Solve for x
    x = 4,141,466,346.93/87,102.24
  6. Step 6: Final answer
    x = 47,547.19

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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.