Home / 146,034.90-201,528.18-78,966.90

Finding the Fourth Proportional to 146,034.90, 201,528.18 and 78,966.90

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Solution

The fourth proportional to 146,034.90, 201,528.18 and 78,966.90 is: 108,974.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,034.90 : 201,528.18 = 78,966.90 : x
  2. Step 2: Convert to fraction form
    146,034.90/201,528.18 = 78,966.90/x
  3. Step 3: Cross multiply
    146,034.90x = 201,528.18 × 78,966.90
  4. Step 4: Simplify right side
    146,034.90x = 15,914,055,637.24
  5. Step 5: Solve for x
    x = 15,914,055,637.24/146,034.90
  6. Step 6: Final answer
    x = 108,974.33

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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.