Home / 151,463.40-209,010.96-83,480.17

Finding the Fourth Proportional to 151,463.40, 209,010.96 and 83,480.17

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Solution

The fourth proportional to 151,463.40, 209,010.96 and 83,480.17 is: 115,197.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,463.40 : 209,010.96 = 83,480.17 : x
  2. Step 2: Convert to fraction form
    151,463.40/209,010.96 = 83,480.17/x
  3. Step 3: Cross multiply
    151,463.40x = 209,010.96 × 83,480.17
  4. Step 4: Simplify right side
    151,463.40x = 17,448,270,472.66
  5. Step 5: Solve for x
    x = 17,448,270,472.66/151,463.40
  6. Step 6: Final answer
    x = 115,197.93

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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.