Home / 155,141.20-232,711.80-147,924.10

Finding the Fourth Proportional to 155,141.20, 232,711.80 and 147,924.10

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Solution

The fourth proportional to 155,141.20, 232,711.80 and 147,924.10 is: 221,886.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,141.20 : 232,711.80 = 147,924.10 : x
  2. Step 2: Convert to fraction form
    155,141.20/232,711.80 = 147,924.10/x
  3. Step 3: Cross multiply
    155,141.20x = 232,711.80 × 147,924.10
  4. Step 4: Simplify right side
    155,141.20x = 34,423,683,574.38
  5. Step 5: Solve for x
    x = 34,423,683,574.38/155,141.20
  6. Step 6: Final answer
    x = 221,886.15

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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.