Home / 99,944.23-137,909.75-64,182.68

Finding the Fourth Proportional to 99,944.23, 137,909.75 and 64,182.68

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Solution

The fourth proportional to 99,944.23, 137,909.75 and 64,182.68 is: 88,563.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,944.23 : 137,909.75 = 64,182.68 : x
  2. Step 2: Convert to fraction form
    99,944.23/137,909.75 = 64,182.68/x
  3. Step 3: Cross multiply
    99,944.23x = 137,909.75 × 64,182.68
  4. Step 4: Simplify right side
    99,944.23x = 8,851,416,342.67
  5. Step 5: Solve for x
    x = 8,851,416,342.67/99,944.23
  6. Step 6: Final answer
    x = 88,563.56

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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.