Home / 153,278.46-229,917.78-42,470.46

Finding the Fourth Proportional to 153,278.46, 229,917.78 and 42,470.46

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Solution

The fourth proportional to 153,278.46, 229,917.78 and 42,470.46 is: 63,705.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,278.46 : 229,917.78 = 42,470.46 : x
  2. Step 2: Convert to fraction form
    153,278.46/229,917.78 = 42,470.46/x
  3. Step 3: Cross multiply
    153,278.46x = 229,917.78 × 42,470.46
  4. Step 4: Simplify right side
    153,278.46x = 9,764,713,878.78
  5. Step 5: Solve for x
    x = 9,764,713,878.78/153,278.46
  6. Step 6: Final answer
    x = 63,705.71

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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.