Home / 154,145.07-231,060-87,444.30

Finding the Fourth Proportional to 154,145.07, 231,060 and 87,444.30

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Solution

The fourth proportional to 154,145.07, 231,060 and 87,444.30 is: 131,077.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,145.07 : 231,060 = 87,444.30 : x
  2. Step 2: Convert to fraction form
    154,145.07/231,060 = 87,444.30/x
  3. Step 3: Cross multiply
    154,145.07x = 231,060 × 87,444.30
  4. Step 4: Simplify right side
    154,145.07x = 20,204,879,958
  5. Step 5: Solve for x
    x = 20,204,879,958/154,145.07
  6. Step 6: Final answer
    x = 131,077.04

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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.