Home / 87,177.56-130,746.88-40,424.36

Finding the Fourth Proportional to 87,177.56, 130,746.88 and 40,424.36

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Solution

The fourth proportional to 87,177.56, 130,746.88 and 40,424.36 is: 60,627.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,177.56 : 130,746.88 = 40,424.36 : x
  2. Step 2: Convert to fraction form
    87,177.56/130,746.88 = 40,424.36/x
  3. Step 3: Cross multiply
    87,177.56x = 130,746.88 × 40,424.36
  4. Step 4: Simplify right side
    87,177.56x = 5,285,358,946.00
  5. Step 5: Solve for x
    x = 5,285,358,946.00/87,177.56
  6. Step 6: Final answer
    x = 60,627.52

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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.