Home / 102,947.04-154,422.18-40,617

Finding the Fourth Proportional to 102,947.04, 154,422.18 and 40,617

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Solution

The fourth proportional to 102,947.04, 154,422.18 and 40,617 is: 60,926.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,947.04 : 154,422.18 = 40,617 : x
  2. Step 2: Convert to fraction form
    102,947.04/154,422.18 = 40,617/x
  3. Step 3: Cross multiply
    102,947.04x = 154,422.18 × 40,617
  4. Step 4: Simplify right side
    102,947.04x = 6,272,165,685.06
  5. Step 5: Solve for x
    x = 6,272,165,685.06/102,947.04
  6. Step 6: Final answer
    x = 60,926.14

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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.