Home / 215,159.96-322,444.67-136,132.71

Finding the Fourth Proportional to 215,159.96, 322,444.67 and 136,132.71

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Solution

The fourth proportional to 215,159.96, 322,444.67 and 136,132.71 is: 204,012.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,159.96 : 322,444.67 = 136,132.71 : x
  2. Step 2: Convert to fraction form
    215,159.96/322,444.67 = 136,132.71/x
  3. Step 3: Cross multiply
    215,159.96x = 322,444.67 × 136,132.71
  4. Step 4: Simplify right side
    215,159.96x = 43,895,266,752.16
  5. Step 5: Solve for x
    x = 43,895,266,752.16/215,159.96
  6. Step 6: Final answer
    x = 204,012.25

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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.