Home / 154,431.68-231,196.80-95,089.28

Finding the Fourth Proportional to 154,431.68, 231,196.80 and 95,089.28

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Solution

The fourth proportional to 154,431.68, 231,196.80 and 95,089.28 is: 142,356.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,431.68 : 231,196.80 = 95,089.28 : x
  2. Step 2: Convert to fraction form
    154,431.68/231,196.80 = 95,089.28/x
  3. Step 3: Cross multiply
    154,431.68x = 231,196.80 × 95,089.28
  4. Step 4: Simplify right side
    154,431.68x = 21,984,337,250.30
  5. Step 5: Solve for x
    x = 21,984,337,250.30/154,431.68
  6. Step 6: Final answer
    x = 142,356.40

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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.