Home / 102,719.84-153,867.51-60,469.73

Finding the Fourth Proportional to 102,719.84, 153,867.51 and 60,469.73

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Solution

The fourth proportional to 102,719.84, 153,867.51 and 60,469.73 is: 90,579.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,719.84 : 153,867.51 = 60,469.73 : x
  2. Step 2: Convert to fraction form
    102,719.84/153,867.51 = 60,469.73/x
  3. Step 3: Cross multiply
    102,719.84x = 153,867.51 × 60,469.73
  4. Step 4: Simplify right side
    102,719.84x = 9,304,326,785.47
  5. Step 5: Solve for x
    x = 9,304,326,785.47/102,719.84
  6. Step 6: Final answer
    x = 90,579.65

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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.