Home / 99,373.04-137,222.52-67,617.80

Finding the Fourth Proportional to 99,373.04, 137,222.52 and 67,617.80

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Solution

The fourth proportional to 99,373.04, 137,222.52 and 67,617.80 is: 93,372.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,373.04 : 137,222.52 = 67,617.80 : x
  2. Step 2: Convert to fraction form
    99,373.04/137,222.52 = 67,617.80/x
  3. Step 3: Cross multiply
    99,373.04x = 137,222.52 × 67,617.80
  4. Step 4: Simplify right side
    99,373.04x = 9,278,684,912.86
  5. Step 5: Solve for x
    x = 9,278,684,912.86/99,373.04
  6. Step 6: Final answer
    x = 93,372.26

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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.