Home / 99,844.60-137,707.66-64,037.34

Finding the Fourth Proportional to 99,844.60, 137,707.66 and 64,037.34

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Solution

The fourth proportional to 99,844.60, 137,707.66 and 64,037.34 is: 88,321.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,844.60 : 137,707.66 = 64,037.34 : x
  2. Step 2: Convert to fraction form
    99,844.60/137,707.66 = 64,037.34/x
  3. Step 3: Cross multiply
    99,844.60x = 137,707.66 × 64,037.34
  4. Step 4: Simplify right side
    99,844.60x = 8,818,432,244.02
  5. Step 5: Solve for x
    x = 8,818,432,244.02/99,844.60
  6. Step 6: Final answer
    x = 88,321.57

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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.