Home / 134,031.65-201,047.55-84,146.78

Finding the Fourth Proportional to 134,031.65, 201,047.55 and 84,146.78

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Solution

The fourth proportional to 134,031.65, 201,047.55 and 84,146.78 is: 126,220.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,031.65 : 201,047.55 = 84,146.78 : x
  2. Step 2: Convert to fraction form
    134,031.65/201,047.55 = 84,146.78/x
  3. Step 3: Cross multiply
    134,031.65x = 201,047.55 × 84,146.78
  4. Step 4: Simplify right side
    134,031.65x = 16,917,503,538.66
  5. Step 5: Solve for x
    x = 16,917,503,538.66/134,031.65
  6. Step 6: Final answer
    x = 126,220.22

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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.