Home / 91,922.10-137,785.05-52,394.10

Finding the Fourth Proportional to 91,922.10, 137,785.05 and 52,394.10

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Solution

The fourth proportional to 91,922.10, 137,785.05 and 52,394.10 is: 78,535.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,922.10 : 137,785.05 = 52,394.10 : x
  2. Step 2: Convert to fraction form
    91,922.10/137,785.05 = 52,394.10/x
  3. Step 3: Cross multiply
    91,922.10x = 137,785.05 × 52,394.10
  4. Step 4: Simplify right side
    91,922.10x = 7,219,123,688.21
  5. Step 5: Solve for x
    x = 7,219,123,688.21/91,922.10
  6. Step 6: Final answer
    x = 78,535.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.