Home / 154,247.85-231,278.34-100,875.39

Finding the Fourth Proportional to 154,247.85, 231,278.34 and 100,875.39

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Solution

The fourth proportional to 154,247.85, 231,278.34 and 100,875.39 is: 151,251.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,247.85 : 231,278.34 = 100,875.39 : x
  2. Step 2: Convert to fraction form
    154,247.85/231,278.34 = 100,875.39/x
  3. Step 3: Cross multiply
    154,247.85x = 231,278.34 × 100,875.39
  4. Step 4: Simplify right side
    154,247.85x = 23,330,292,746.05
  5. Step 5: Solve for x
    x = 23,330,292,746.05/154,247.85
  6. Step 6: Final answer
    x = 151,251.98

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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.