Home / 154,470.44-213,158.82-86,475.92

Finding the Fourth Proportional to 154,470.44, 213,158.82 and 86,475.92

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Solution

The fourth proportional to 154,470.44, 213,158.82 and 86,475.92 is: 119,330.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,470.44 : 213,158.82 = 86,475.92 : x
  2. Step 2: Convert to fraction form
    154,470.44/213,158.82 = 86,475.92/x
  3. Step 3: Cross multiply
    154,470.44x = 213,158.82 × 86,475.92
  4. Step 4: Simplify right side
    154,470.44x = 18,433,105,065.61
  5. Step 5: Solve for x
    x = 18,433,105,065.61/154,470.44
  6. Step 6: Final answer
    x = 119,330.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.