Home / 100,863.92-151,319.58-56,521.28

Finding the Fourth Proportional to 100,863.92, 151,319.58 and 56,521.28

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Solution

The fourth proportional to 100,863.92, 151,319.58 and 56,521.28 is: 84,795.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,863.92 : 151,319.58 = 56,521.28 : x
  2. Step 2: Convert to fraction form
    100,863.92/151,319.58 = 56,521.28/x
  3. Step 3: Cross multiply
    100,863.92x = 151,319.58 × 56,521.28
  4. Step 4: Simplify right side
    100,863.92x = 8,552,776,517.01
  5. Step 5: Solve for x
    x = 8,552,776,517.01/100,863.92
  6. Step 6: Final answer
    x = 84,795.20

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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.