Home / 147,037.08-220,200.36-83,665.20

Finding the Fourth Proportional to 147,037.08, 220,200.36 and 83,665.20

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Solution

The fourth proportional to 147,037.08, 220,200.36 and 83,665.20 is: 125,295.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,037.08 : 220,200.36 = 83,665.20 : x
  2. Step 2: Convert to fraction form
    147,037.08/220,200.36 = 83,665.20/x
  3. Step 3: Cross multiply
    147,037.08x = 220,200.36 × 83,665.20
  4. Step 4: Simplify right side
    147,037.08x = 18,423,107,159.47
  5. Step 5: Solve for x
    x = 18,423,107,159.47/147,037.08
  6. Step 6: Final answer
    x = 125,295.65

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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.