Home / 103,029.30-154,551.15-40,691.70

Finding the Fourth Proportional to 103,029.30, 154,551.15 and 40,691.70

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Solution

The fourth proportional to 103,029.30, 154,551.15 and 40,691.70 is: 61,040.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,029.30 : 154,551.15 = 40,691.70 : x
  2. Step 2: Convert to fraction form
    103,029.30/154,551.15 = 40,691.70/x
  3. Step 3: Cross multiply
    103,029.30x = 154,551.15 × 40,691.70
  4. Step 4: Simplify right side
    103,029.30x = 6,288,949,030.46
  5. Step 5: Solve for x
    x = 6,288,949,030.46/103,029.30
  6. Step 6: Final answer
    x = 61,040.39

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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.