Home / 134,490.10-201,713.55-40,974.10

Finding the Fourth Proportional to 134,490.10, 201,713.55 and 40,974.10

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Solution

The fourth proportional to 134,490.10, 201,713.55 and 40,974.10 is: 61,454.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,490.10 : 201,713.55 = 40,974.10 : x
  2. Step 2: Convert to fraction form
    134,490.10/201,713.55 = 40,974.10/x
  3. Step 3: Cross multiply
    134,490.10x = 201,713.55 × 40,974.10
  4. Step 4: Simplify right side
    134,490.10x = 8,265,031,169.06
  5. Step 5: Solve for x
    x = 8,265,031,169.06/134,490.10
  6. Step 6: Final answer
    x = 61,454.57

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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.