Home / 151,277.40-208,761.13-83,292.62

Finding the Fourth Proportional to 151,277.40, 208,761.13 and 83,292.62

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Solution

The fourth proportional to 151,277.40, 208,761.13 and 83,292.62 is: 114,942.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,277.40 : 208,761.13 = 83,292.62 : x
  2. Step 2: Convert to fraction form
    151,277.40/208,761.13 = 83,292.62/x
  3. Step 3: Cross multiply
    151,277.40x = 208,761.13 × 83,292.62
  4. Step 4: Simplify right side
    151,277.40x = 17,388,261,471.86
  5. Step 5: Solve for x
    x = 17,388,261,471.86/151,277.40
  6. Step 6: Final answer
    x = 114,942.89

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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.