Home / 133,437.95-198,813.66-131,513.39

Finding the Fourth Proportional to 133,437.95, 198,813.66 and 131,513.39

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Solution

The fourth proportional to 133,437.95, 198,813.66 and 131,513.39 is: 195,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,437.95 : 198,813.66 = 131,513.39 : x
  2. Step 2: Convert to fraction form
    133,437.95/198,813.66 = 131,513.39/x
  3. Step 3: Cross multiply
    133,437.95x = 198,813.66 × 131,513.39
  4. Step 4: Simplify right side
    133,437.95x = 26,146,658,733.69
  5. Step 5: Solve for x
    x = 26,146,658,733.69/133,437.95
  6. Step 6: Final answer
    x = 195,946.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.