Home / 153,022.80-229,534.20-123,498.30

Finding the Fourth Proportional to 153,022.80, 229,534.20 and 123,498.30

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Solution

The fourth proportional to 153,022.80, 229,534.20 and 123,498.30 is: 185,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,022.80 : 229,534.20 = 123,498.30 : x
  2. Step 2: Convert to fraction form
    153,022.80/229,534.20 = 123,498.30/x
  3. Step 3: Cross multiply
    153,022.80x = 229,534.20 × 123,498.30
  4. Step 4: Simplify right side
    153,022.80x = 28,347,083,491.86
  5. Step 5: Solve for x
    x = 28,347,083,491.86/153,022.80
  6. Step 6: Final answer
    x = 185,247.45

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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.