Home / 151,291.18-208,779.96-83,306.71

Finding the Fourth Proportional to 151,291.18, 208,779.96 and 83,306.71

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Solution

The fourth proportional to 151,291.18, 208,779.96 and 83,306.71 is: 114,962.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,291.18 : 208,779.96 = 83,306.71 : x
  2. Step 2: Convert to fraction form
    151,291.18/208,779.96 = 83,306.71/x
  3. Step 3: Cross multiply
    151,291.18x = 208,779.96 × 83,306.71
  4. Step 4: Simplify right side
    151,291.18x = 17,392,771,581.53
  5. Step 5: Solve for x
    x = 17,392,771,581.53/151,291.18
  6. Step 6: Final answer
    x = 114,962.23

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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.