Home / 137,242.11-205,933.65-103,951.11

Finding the Fourth Proportional to 137,242.11, 205,933.65 and 103,951.11

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Solution

The fourth proportional to 137,242.11, 205,933.65 and 103,951.11 is: 155,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,242.11 : 205,933.65 = 103,951.11 : x
  2. Step 2: Convert to fraction form
    137,242.11/205,933.65 = 103,951.11/x
  3. Step 3: Cross multiply
    137,242.11x = 205,933.65 × 103,951.11
  4. Step 4: Simplify right side
    137,242.11x = 21,407,031,503.85
  5. Step 5: Solve for x
    x = 21,407,031,503.85/137,242.11
  6. Step 6: Final answer
    x = 155,980.05

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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.