Home / 213,428.48-294,586.62-122,793.72

Finding the Fourth Proportional to 213,428.48, 294,586.62 and 122,793.72

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Solution

The fourth proportional to 213,428.48, 294,586.62 and 122,793.72 is: 169,487.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,428.48 : 294,586.62 = 122,793.72 : x
  2. Step 2: Convert to fraction form
    213,428.48/294,586.62 = 122,793.72/x
  3. Step 3: Cross multiply
    213,428.48x = 294,586.62 × 122,793.72
  4. Step 4: Simplify right side
    213,428.48x = 36,173,386,932.03
  5. Step 5: Solve for x
    x = 36,173,386,932.03/213,428.48
  6. Step 6: Final answer
    x = 169,487.16

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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.