Home / 148,107.65-204,387.71-80,124.39

Finding the Fourth Proportional to 148,107.65, 204,387.71 and 80,124.39

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Solution

The fourth proportional to 148,107.65, 204,387.71 and 80,124.39 is: 110,571.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,107.65 : 204,387.71 = 80,124.39 : x
  2. Step 2: Convert to fraction form
    148,107.65/204,387.71 = 80,124.39/x
  3. Step 3: Cross multiply
    148,107.65x = 204,387.71 × 80,124.39
  4. Step 4: Simplify right side
    148,107.65x = 16,376,440,186.63
  5. Step 5: Solve for x
    x = 16,376,440,186.63/148,107.65
  6. Step 6: Final answer
    x = 110,571.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.