Home / 87,185.46-130,648.86-49,726.20

Finding the Fourth Proportional to 87,185.46, 130,648.86 and 49,726.20

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Solution

The fourth proportional to 87,185.46, 130,648.86 and 49,726.20 is: 74,515.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,185.46 : 130,648.86 = 49,726.20 : x
  2. Step 2: Convert to fraction form
    87,185.46/130,648.86 = 49,726.20/x
  3. Step 3: Cross multiply
    87,185.46x = 130,648.86 × 49,726.20
  4. Step 4: Simplify right side
    87,185.46x = 6,496,671,342.13
  5. Step 5: Solve for x
    x = 6,496,671,342.13/87,185.46
  6. Step 6: Final answer
    x = 74,515.54

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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.