Home / 239,302.55-330,233.29-130,407.86

Finding the Fourth Proportional to 239,302.55, 330,233.29 and 130,407.86

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Solution

The fourth proportional to 239,302.55, 330,233.29 and 130,407.86 is: 179,960.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,302.55 : 330,233.29 = 130,407.86 : x
  2. Step 2: Convert to fraction form
    239,302.55/330,233.29 = 130,407.86/x
  3. Step 3: Cross multiply
    239,302.55x = 330,233.29 × 130,407.86
  4. Step 4: Simplify right side
    239,302.55x = 43,065,015,291.66
  5. Step 5: Solve for x
    x = 43,065,015,291.66/239,302.55
  6. Step 6: Final answer
    x = 179,960.53

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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.