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Finding the Fourth Proportional to 104,131, 143,726.70 and 59,444.92

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Solution

The fourth proportional to 104,131, 143,726.70 and 59,444.92 is: 82,048.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,131 : 143,726.70 = 59,444.92 : x
  2. Step 2: Convert to fraction form
    104,131/143,726.70 = 59,444.92/x
  3. Step 3: Cross multiply
    104,131x = 143,726.70 × 59,444.92
  4. Step 4: Simplify right side
    104,131x = 8,543,822,183.36
  5. Step 5: Solve for x
    x = 8,543,822,183.36/104,131
  6. Step 6: Final answer
    x = 82,048.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.