Home / 153,040.80-229,561.20-123,516.30

Finding the Fourth Proportional to 153,040.80, 229,561.20 and 123,516.30

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Solution

The fourth proportional to 153,040.80, 229,561.20 and 123,516.30 is: 185,274.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,040.80 : 229,561.20 = 123,516.30 : x
  2. Step 2: Convert to fraction form
    153,040.80/229,561.20 = 123,516.30/x
  3. Step 3: Cross multiply
    153,040.80x = 229,561.20 × 123,516.30
  4. Step 4: Simplify right side
    153,040.80x = 28,354,550,047.56
  5. Step 5: Solve for x
    x = 28,354,550,047.56/153,040.80
  6. Step 6: Final answer
    x = 185,274.45

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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.