Home / 106,439.74-159,663.38-26,478.12

Finding the Fourth Proportional to 106,439.74, 159,663.38 and 26,478.12

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Solution

The fourth proportional to 106,439.74, 159,663.38 and 26,478.12 is: 39,718.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,439.74 : 159,663.38 = 26,478.12 : x
  2. Step 2: Convert to fraction form
    106,439.74/159,663.38 = 26,478.12/x
  3. Step 3: Cross multiply
    106,439.74x = 159,663.38 × 26,478.12
  4. Step 4: Simplify right side
    106,439.74x = 4,227,586,135.25
  5. Step 5: Solve for x
    x = 4,227,586,135.25/106,439.74
  6. Step 6: Final answer
    x = 39,718.12

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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.