Home / 103,122.45-154,377.36-56,233.17

Finding the Fourth Proportional to 103,122.45, 154,377.36 and 56,233.17

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Solution

The fourth proportional to 103,122.45, 154,377.36 and 56,233.17 is: 84,182.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,122.45 : 154,377.36 = 56,233.17 : x
  2. Step 2: Convert to fraction form
    103,122.45/154,377.36 = 56,233.17/x
  3. Step 3: Cross multiply
    103,122.45x = 154,377.36 × 56,233.17
  4. Step 4: Simplify right side
    103,122.45x = 8,681,128,329.03
  5. Step 5: Solve for x
    x = 8,681,128,329.03/103,122.45
  6. Step 6: Final answer
    x = 84,182.72

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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.