Home / 151,486.04-209,034.42-83,499.80

Finding the Fourth Proportional to 151,486.04, 209,034.42 and 83,499.80

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Solution

The fourth proportional to 151,486.04, 209,034.42 and 83,499.80 is: 115,220.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,486.04 : 209,034.42 = 83,499.80 : x
  2. Step 2: Convert to fraction form
    151,486.04/209,034.42 = 83,499.80/x
  3. Step 3: Cross multiply
    151,486.04x = 209,034.42 × 83,499.80
  4. Step 4: Simplify right side
    151,486.04x = 17,454,332,263.12
  5. Step 5: Solve for x
    x = 17,454,332,263.12/151,486.04
  6. Step 6: Final answer
    x = 115,220.73

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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.