Home / 159,515.65-220,147.11-119,159.35

Finding the Fourth Proportional to 159,515.65, 220,147.11 and 119,159.35

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Solution

The fourth proportional to 159,515.65, 220,147.11 and 119,159.35 is: 164,451.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,515.65 : 220,147.11 = 119,159.35 : x
  2. Step 2: Convert to fraction form
    159,515.65/220,147.11 = 119,159.35/x
  3. Step 3: Cross multiply
    159,515.65x = 220,147.11 × 119,159.35
  4. Step 4: Simplify right side
    159,515.65x = 26,232,586,531.98
  5. Step 5: Solve for x
    x = 26,232,586,531.98/159,515.65
  6. Step 6: Final answer
    x = 164,451.49

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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.