Home / 179,938.50-270,082.72-86,509.86

Finding the Fourth Proportional to 179,938.50, 270,082.72 and 86,509.86

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Solution

The fourth proportional to 179,938.50, 270,082.72 and 86,509.86 is: 129,848.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,938.50 : 270,082.72 = 86,509.86 : x
  2. Step 2: Convert to fraction form
    179,938.50/270,082.72 = 86,509.86/x
  3. Step 3: Cross multiply
    179,938.50x = 270,082.72 × 86,509.86
  4. Step 4: Simplify right side
    179,938.50x = 23,364,818,295.62
  5. Step 5: Solve for x
    x = 23,364,818,295.62/179,938.50
  6. Step 6: Final answer
    x = 129,848.91

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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.