Home / 159,244.31-219,732.03-91,248.21

Finding the Fourth Proportional to 159,244.31, 219,732.03 and 91,248.21

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Solution

The fourth proportional to 159,244.31, 219,732.03 and 91,248.21 is: 125,908.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,244.31 : 219,732.03 = 91,248.21 : x
  2. Step 2: Convert to fraction form
    159,244.31/219,732.03 = 91,248.21/x
  3. Step 3: Cross multiply
    159,244.31x = 219,732.03 × 91,248.21
  4. Step 4: Simplify right side
    159,244.31x = 20,050,154,417.17
  5. Step 5: Solve for x
    x = 20,050,154,417.17/159,244.31
  6. Step 6: Final answer
    x = 125,908.14

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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.