Home / 87,257.06-130,870.01-23,215.57

Finding the Fourth Proportional to 87,257.06, 130,870.01 and 23,215.57

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Solution

The fourth proportional to 87,257.06, 130,870.01 and 23,215.57 is: 34,819.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,257.06 : 130,870.01 = 23,215.57 : x
  2. Step 2: Convert to fraction form
    87,257.06/130,870.01 = 23,215.57/x
  3. Step 3: Cross multiply
    87,257.06x = 130,870.01 × 23,215.57
  4. Step 4: Simplify right side
    87,257.06x = 3,038,222,070.66
  5. Step 5: Solve for x
    x = 3,038,222,070.66/87,257.06
  6. Step 6: Final answer
    x = 34,819.21

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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.