Home / 136,185.52-204,278.34-42,698.56

Finding the Fourth Proportional to 136,185.52, 204,278.34 and 42,698.56

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Solution

The fourth proportional to 136,185.52, 204,278.34 and 42,698.56 is: 64,047.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,185.52 : 204,278.34 = 42,698.56 : x
  2. Step 2: Convert to fraction form
    136,185.52/204,278.34 = 42,698.56/x
  3. Step 3: Cross multiply
    136,185.52x = 204,278.34 × 42,698.56
  4. Step 4: Simplify right side
    136,185.52x = 8,722,390,957.19
  5. Step 5: Solve for x
    x = 8,722,390,957.19/136,185.52
  6. Step 6: Final answer
    x = 64,047.86

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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.