Home / 103,011.68-154,517.52-56,239.04

Finding the Fourth Proportional to 103,011.68, 154,517.52 and 56,239.04

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Solution

The fourth proportional to 103,011.68, 154,517.52 and 56,239.04 is: 84,358.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,011.68 : 154,517.52 = 56,239.04 : x
  2. Step 2: Convert to fraction form
    103,011.68/154,517.52 = 56,239.04/x
  3. Step 3: Cross multiply
    103,011.68x = 154,517.52 × 56,239.04
  4. Step 4: Simplify right side
    103,011.68x = 8,689,916,987.98
  5. Step 5: Solve for x
    x = 8,689,916,987.98/103,011.68
  6. Step 6: Final answer
    x = 84,358.56

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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.