Home / 130,564.77-180,234.50-88,180.71

Finding the Fourth Proportional to 130,564.77, 180,234.50 and 88,180.71

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Solution

The fourth proportional to 130,564.77, 180,234.50 and 88,180.71 is: 121,726.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,564.77 : 180,234.50 = 88,180.71 : x
  2. Step 2: Convert to fraction form
    130,564.77/180,234.50 = 88,180.71/x
  3. Step 3: Cross multiply
    130,564.77x = 180,234.50 × 88,180.71
  4. Step 4: Simplify right side
    130,564.77x = 15,893,205,735.59
  5. Step 5: Solve for x
    x = 15,893,205,735.59/130,564.77
  6. Step 6: Final answer
    x = 121,726.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.