Home / 154,279.70-231,374.19-65,532.50

Finding the Fourth Proportional to 154,279.70, 231,374.19 and 65,532.50

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Solution

The fourth proportional to 154,279.70, 231,374.19 and 65,532.50 is: 98,279.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,279.70 : 231,374.19 = 65,532.50 : x
  2. Step 2: Convert to fraction form
    154,279.70/231,374.19 = 65,532.50/x
  3. Step 3: Cross multiply
    154,279.70x = 231,374.19 × 65,532.50
  4. Step 4: Simplify right side
    154,279.70x = 15,162,529,106.18
  5. Step 5: Solve for x
    x = 15,162,529,106.18/154,279.70
  6. Step 6: Final answer
    x = 98,279.48

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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.