Home / 102,957.08-154,535.49-49,686.55

Finding the Fourth Proportional to 102,957.08, 154,535.49 and 49,686.55

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Solution

The fourth proportional to 102,957.08, 154,535.49 and 49,686.55 is: 74,578.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,957.08 : 154,535.49 = 49,686.55 : x
  2. Step 2: Convert to fraction form
    102,957.08/154,535.49 = 49,686.55/x
  3. Step 3: Cross multiply
    102,957.08x = 154,535.49 × 49,686.55
  4. Step 4: Simplify right side
    102,957.08x = 7,678,335,350.66
  5. Step 5: Solve for x
    x = 7,678,335,350.66/102,957.08
  6. Step 6: Final answer
    x = 74,578.02

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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.