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Finding the Fourth Proportional to 153,233.70, 229,850.55 and 74,501.70

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Solution

The fourth proportional to 153,233.70, 229,850.55 and 74,501.70 is: 111,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,233.70 : 229,850.55 = 74,501.70 : x
  2. Step 2: Convert to fraction form
    153,233.70/229,850.55 = 74,501.70/x
  3. Step 3: Cross multiply
    153,233.70x = 229,850.55 × 74,501.70
  4. Step 4: Simplify right side
    153,233.70x = 17,124,256,720.94
  5. Step 5: Solve for x
    x = 17,124,256,720.94/153,233.70
  6. Step 6: Final answer
    x = 111,752.55

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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.