Home / 102,155.04-153,375.96-52,270.92

Finding the Fourth Proportional to 102,155.04, 153,375.96 and 52,270.92

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Solution

The fourth proportional to 102,155.04, 153,375.96 and 52,270.92 is: 78,479.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,155.04 : 153,375.96 = 52,270.92 : x
  2. Step 2: Convert to fraction form
    102,155.04/153,375.96 = 52,270.92/x
  3. Step 3: Cross multiply
    102,155.04x = 153,375.96 × 52,270.92
  4. Step 4: Simplify right side
    102,155.04x = 8,017,102,535.08
  5. Step 5: Solve for x
    x = 8,017,102,535.08/102,155.04
  6. Step 6: Final answer
    x = 78,479.76

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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.