Home / 147,192-203,151.47-86,759.12

Finding the Fourth Proportional to 147,192, 203,151.47 and 86,759.12

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Solution

The fourth proportional to 147,192, 203,151.47 and 86,759.12 is: 119,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,192 : 203,151.47 = 86,759.12 : x
  2. Step 2: Convert to fraction form
    147,192/203,151.47 = 86,759.12/x
  3. Step 3: Cross multiply
    147,192x = 203,151.47 × 86,759.12
  4. Step 4: Simplify right side
    147,192x = 17,625,241,314.35
  5. Step 5: Solve for x
    x = 17,625,241,314.35/147,192
  6. Step 6: Final answer
    x = 119,743.20

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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.