Home / 87,389.25-130,801.92-45,211.25

Finding the Fourth Proportional to 87,389.25, 130,801.92 and 45,211.25

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Solution

The fourth proportional to 87,389.25, 130,801.92 and 45,211.25 is: 67,671.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,389.25 : 130,801.92 = 45,211.25 : x
  2. Step 2: Convert to fraction form
    87,389.25/130,801.92 = 45,211.25/x
  3. Step 3: Cross multiply
    87,389.25x = 130,801.92 × 45,211.25
  4. Step 4: Simplify right side
    87,389.25x = 5,913,717,651.59
  5. Step 5: Solve for x
    x = 5,913,717,651.59/87,389.25
  6. Step 6: Final answer
    x = 67,671.00

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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.