Home / 87,448.60-130,975.54-61,270.20

Finding the Fourth Proportional to 87,448.60, 130,975.54 and 61,270.20

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Solution

The fourth proportional to 87,448.60, 130,975.54 and 61,270.20 is: 91,767.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,448.60 : 130,975.54 = 61,270.20 : x
  2. Step 2: Convert to fraction form
    87,448.60/130,975.54 = 61,270.20/x
  3. Step 3: Cross multiply
    87,448.60x = 130,975.54 × 61,270.20
  4. Step 4: Simplify right side
    87,448.60x = 8,024,897,530.91
  5. Step 5: Solve for x
    x = 8,024,897,530.91/87,448.60
  6. Step 6: Final answer
    x = 91,767.02

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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.