Home / 154,107.72-231,184.56-47,482.76

Finding the Fourth Proportional to 154,107.72, 231,184.56 and 47,482.76

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Solution

The fourth proportional to 154,107.72, 231,184.56 and 47,482.76 is: 71,231.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,107.72 : 231,184.56 = 47,482.76 : x
  2. Step 2: Convert to fraction form
    154,107.72/231,184.56 = 47,482.76/x
  3. Step 3: Cross multiply
    154,107.72x = 231,184.56 × 47,482.76
  4. Step 4: Simplify right side
    154,107.72x = 10,977,280,400.22
  5. Step 5: Solve for x
    x = 10,977,280,400.22/154,107.72
  6. Step 6: Final answer
    x = 71,231.22

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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.