Home / 159,275.13-219,795.25-90,377.14

Finding the Fourth Proportional to 159,275.13, 219,795.25 and 90,377.14

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Solution

The fourth proportional to 159,275.13, 219,795.25 and 90,377.14 is: 124,717.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,275.13 : 219,795.25 = 90,377.14 : x
  2. Step 2: Convert to fraction form
    159,275.13/219,795.25 = 90,377.14/x
  3. Step 3: Cross multiply
    159,275.13x = 219,795.25 × 90,377.14
  4. Step 4: Simplify right side
    159,275.13x = 19,864,466,080.59
  5. Step 5: Solve for x
    x = 19,864,466,080.59/159,275.13
  6. Step 6: Final answer
    x = 124,717.94

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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.