Home / 154,232.20-231,434.70-65,470.60

Finding the Fourth Proportional to 154,232.20, 231,434.70 and 65,470.60

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Solution

The fourth proportional to 154,232.20, 231,434.70 and 65,470.60 is: 98,242.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,232.20 : 231,434.70 = 65,470.60 : x
  2. Step 2: Convert to fraction form
    154,232.20/231,434.70 = 65,470.60/x
  3. Step 3: Cross multiply
    154,232.20x = 231,434.70 × 65,470.60
  4. Step 4: Simplify right side
    154,232.20x = 15,152,168,669.82
  5. Step 5: Solve for x
    x = 15,152,168,669.82/154,232.20
  6. Step 6: Final answer
    x = 98,242.58

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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.