Home / 147,146.10-220,667.22-47,272.56

Finding the Fourth Proportional to 147,146.10, 220,667.22 and 47,272.56

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Solution

The fourth proportional to 147,146.10, 220,667.22 and 47,272.56 is: 70,892.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,146.10 : 220,667.22 = 47,272.56 : x
  2. Step 2: Convert to fraction form
    147,146.10/220,667.22 = 47,272.56/x
  3. Step 3: Cross multiply
    147,146.10x = 220,667.22 × 47,272.56
  4. Step 4: Simplify right side
    147,146.10x = 10,431,504,397.48
  5. Step 5: Solve for x
    x = 10,431,504,397.48/147,146.10
  6. Step 6: Final answer
    x = 70,892.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.