Home / 101,569.95-152,379.23-42,372.72

Finding the Fourth Proportional to 101,569.95, 152,379.23 and 42,372.72

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Solution

The fourth proportional to 101,569.95, 152,379.23 and 42,372.72 is: 63,569.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,569.95 : 152,379.23 = 42,372.72 : x
  2. Step 2: Convert to fraction form
    101,569.95/152,379.23 = 42,372.72/x
  3. Step 3: Cross multiply
    101,569.95x = 152,379.23 × 42,372.72
  4. Step 4: Simplify right side
    101,569.95x = 6,456,722,234.74
  5. Step 5: Solve for x
    x = 6,456,722,234.74/101,569.95
  6. Step 6: Final answer
    x = 63,569.22

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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.