Home / 151,276.18-208,761.15-83,293.42

Finding the Fourth Proportional to 151,276.18, 208,761.15 and 83,293.42

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Solution

The fourth proportional to 151,276.18, 208,761.15 and 83,293.42 is: 114,944.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,276.18 : 208,761.15 = 83,293.42 : x
  2. Step 2: Convert to fraction form
    151,276.18/208,761.15 = 83,293.42/x
  3. Step 3: Cross multiply
    151,276.18x = 208,761.15 × 83,293.42
  4. Step 4: Simplify right side
    151,276.18x = 17,388,430,146.63
  5. Step 5: Solve for x
    x = 17,388,430,146.63/151,276.18
  6. Step 6: Final answer
    x = 114,944.93

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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.