Home / 239,177.93-330,079.72-137,202.64

Finding the Fourth Proportional to 239,177.93, 330,079.72 and 137,202.64

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Solution

The fourth proportional to 239,177.93, 330,079.72 and 137,202.64 is: 189,347.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,177.93 : 330,079.72 = 137,202.64 : x
  2. Step 2: Convert to fraction form
    239,177.93/330,079.72 = 137,202.64/x
  3. Step 3: Cross multiply
    239,177.93x = 330,079.72 × 137,202.64
  4. Step 4: Simplify right side
    239,177.93x = 45,287,808,994.46
  5. Step 5: Solve for x
    x = 45,287,808,994.46/239,177.93
  6. Step 6: Final answer
    x = 189,347.78

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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.