Home / 228,278.79-342,385.38-95,134.23

Finding the Fourth Proportional to 228,278.79, 342,385.38 and 95,134.23

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Solution

The fourth proportional to 228,278.79, 342,385.38 and 95,134.23 is: 142,687.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,278.79 : 342,385.38 = 95,134.23 : x
  2. Step 2: Convert to fraction form
    228,278.79/342,385.38 = 95,134.23/x
  3. Step 3: Cross multiply
    228,278.79x = 342,385.38 × 95,134.23
  4. Step 4: Simplify right side
    228,278.79x = 32,572,569,489.56
  5. Step 5: Solve for x
    x = 32,572,569,489.56/228,278.79
  6. Step 6: Final answer
    x = 142,687.67

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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.