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Finding the Fourth Proportional to 160,178.96, 240,035.16 and 76,975.76

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Solution

The fourth proportional to 160,178.96, 240,035.16 and 76,975.76 is: 115,351.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,178.96 : 240,035.16 = 76,975.76 : x
  2. Step 2: Convert to fraction form
    160,178.96/240,035.16 = 76,975.76/x
  3. Step 3: Cross multiply
    160,178.96x = 240,035.16 × 76,975.76
  4. Step 4: Simplify right side
    160,178.96x = 18,476,888,867.72
  5. Step 5: Solve for x
    x = 18,476,888,867.72/160,178.96
  6. Step 6: Final answer
    x = 115,351.53

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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.