Home / 102,621.76-141,641.64-60,193.96

Finding the Fourth Proportional to 102,621.76, 141,641.64 and 60,193.96

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Solution

The fourth proportional to 102,621.76, 141,641.64 and 60,193.96 is: 83,081.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,621.76 : 141,641.64 = 60,193.96 : x
  2. Step 2: Convert to fraction form
    102,621.76/141,641.64 = 60,193.96/x
  3. Step 3: Cross multiply
    102,621.76x = 141,641.64 × 60,193.96
  4. Step 4: Simplify right side
    102,621.76x = 8,525,971,212.49
  5. Step 5: Solve for x
    x = 8,525,971,212.49/102,621.76
  6. Step 6: Final answer
    x = 83,081.51

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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.