Home / 99,712.45-137,323.24-97,535.17

Finding the Fourth Proportional to 99,712.45, 137,323.24 and 97,535.17

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Solution

The fourth proportional to 99,712.45, 137,323.24 and 97,535.17 is: 134,324.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,712.45 : 137,323.24 = 97,535.17 : x
  2. Step 2: Convert to fraction form
    99,712.45/137,323.24 = 97,535.17/x
  3. Step 3: Cross multiply
    99,712.45x = 137,323.24 × 97,535.17
  4. Step 4: Simplify right side
    99,712.45x = 13,393,845,558.35
  5. Step 5: Solve for x
    x = 13,393,845,558.35/99,712.45
  6. Step 6: Final answer
    x = 134,324.71

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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.