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Finding the Fourth Proportional to 160,188.72, 240,134.40 and 75,988.38

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Solution

The fourth proportional to 160,188.72, 240,134.40 and 75,988.38 is: 113,912.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,188.72 : 240,134.40 = 75,988.38 : x
  2. Step 2: Convert to fraction form
    160,188.72/240,134.40 = 75,988.38/x
  3. Step 3: Cross multiply
    160,188.72x = 240,134.40 × 75,988.38
  4. Step 4: Simplify right side
    160,188.72x = 18,247,424,038.27
  5. Step 5: Solve for x
    x = 18,247,424,038.27/160,188.72
  6. Step 6: Final answer
    x = 113,912.04

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1.5x scale

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.