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Finding the Fourth Proportional to 99,846.83, 137,798.57 and 59,560.57

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Solution

The fourth proportional to 99,846.83, 137,798.57 and 59,560.57 is: 82,199.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,846.83 : 137,798.57 = 59,560.57 : x
  2. Step 2: Convert to fraction form
    99,846.83/137,798.57 = 59,560.57/x
  3. Step 3: Cross multiply
    99,846.83x = 137,798.57 × 59,560.57
  4. Step 4: Simplify right side
    99,846.83x = 8,207,360,585.39
  5. Step 5: Solve for x
    x = 8,207,360,585.39/99,846.83
  6. Step 6: Final answer
    x = 82,199.51

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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.