Home / 99,715.70-137,327.73-97,538.42

Finding the Fourth Proportional to 99,715.70, 137,327.73 and 97,538.42

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Solution

The fourth proportional to 99,715.70, 137,327.73 and 97,538.42 is: 134,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,715.70 : 137,327.73 = 97,538.42 : x
  2. Step 2: Convert to fraction form
    99,715.70/137,327.73 = 97,538.42/x
  3. Step 3: Cross multiply
    99,715.70x = 137,327.73 × 97,538.42
  4. Step 4: Simplify right side
    99,715.70x = 13,394,729,806.39
  5. Step 5: Solve for x
    x = 13,394,729,806.39/99,715.70
  6. Step 6: Final answer
    x = 134,329.20

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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.