Home / 151,220.36-208,648.42-127,112.96

Finding the Fourth Proportional to 151,220.36, 208,648.42 and 127,112.96

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Solution

The fourth proportional to 151,220.36, 208,648.42 and 127,112.96 is: 175,385.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,220.36 : 208,648.42 = 127,112.96 : x
  2. Step 2: Convert to fraction form
    151,220.36/208,648.42 = 127,112.96/x
  3. Step 3: Cross multiply
    151,220.36x = 208,648.42 × 127,112.96
  4. Step 4: Simplify right side
    151,220.36x = 26,521,918,265.52
  5. Step 5: Solve for x
    x = 26,521,918,265.52/151,220.36
  6. Step 6: Final answer
    x = 175,385.90

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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.