Home / 154,012.80-231,037.20-48,842.40

Finding the Fourth Proportional to 154,012.80, 231,037.20 and 48,842.40

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Solution

The fourth proportional to 154,012.80, 231,037.20 and 48,842.40 is: 73,269.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,012.80 : 231,037.20 = 48,842.40 : x
  2. Step 2: Convert to fraction form
    154,012.80/231,037.20 = 48,842.40/x
  3. Step 3: Cross multiply
    154,012.80x = 231,037.20 × 48,842.40
  4. Step 4: Simplify right side
    154,012.80x = 11,284,411,337.28
  5. Step 5: Solve for x
    x = 11,284,411,337.28/154,012.80
  6. Step 6: Final answer
    x = 73,269.31

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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.