Home / 154,358.72-231,535.65-49,176.98

Finding the Fourth Proportional to 154,358.72, 231,535.65 and 49,176.98

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Solution

The fourth proportional to 154,358.72, 231,535.65 and 49,176.98 is: 73,764.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,358.72 : 231,535.65 = 49,176.98 : x
  2. Step 2: Convert to fraction form
    154,358.72/231,535.65 = 49,176.98/x
  3. Step 3: Cross multiply
    154,358.72x = 231,535.65 × 49,176.98
  4. Step 4: Simplify right side
    154,358.72x = 11,386,224,029.34
  5. Step 5: Solve for x
    x = 11,386,224,029.34/154,358.72
  6. Step 6: Final answer
    x = 73,764.70

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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.