Home / 153,009.20-229,513.80-149,728.70

Finding the Fourth Proportional to 153,009.20, 229,513.80 and 149,728.70

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Solution

The fourth proportional to 153,009.20, 229,513.80 and 149,728.70 is: 224,593.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,009.20 : 229,513.80 = 149,728.70 : x
  2. Step 2: Convert to fraction form
    153,009.20/229,513.80 = 149,728.70/x
  3. Step 3: Cross multiply
    153,009.20x = 229,513.80 × 149,728.70
  4. Step 4: Simplify right side
    153,009.20x = 34,364,802,906.06
  5. Step 5: Solve for x
    x = 34,364,802,906.06/153,009.20
  6. Step 6: Final answer
    x = 224,593.05

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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.