Home / 148,376.69-222,787.38-128,447.65

Finding the Fourth Proportional to 148,376.69, 222,787.38 and 128,447.65

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Solution

The fourth proportional to 148,376.69, 222,787.38 and 128,447.65 is: 192,863.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,376.69 : 222,787.38 = 128,447.65 : x
  2. Step 2: Convert to fraction form
    148,376.69/222,787.38 = 128,447.65/x
  3. Step 3: Cross multiply
    148,376.69x = 222,787.38 × 128,447.65
  4. Step 4: Simplify right side
    148,376.69x = 28,616,514,768.42
  5. Step 5: Solve for x
    x = 28,616,514,768.42/148,376.69
  6. Step 6: Final answer
    x = 192,863.96

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1.5x scale

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.