Home / 134,143.38-201,202.77-45,386.72

Finding the Fourth Proportional to 134,143.38, 201,202.77 and 45,386.72

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Solution

The fourth proportional to 134,143.38, 201,202.77 and 45,386.72 is: 68,075.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,143.38 : 201,202.77 = 45,386.72 : x
  2. Step 2: Convert to fraction form
    134,143.38/201,202.77 = 45,386.72/x
  3. Step 3: Cross multiply
    134,143.38x = 201,202.77 × 45,386.72
  4. Step 4: Simplify right side
    134,143.38x = 9,131,933,785.21
  5. Step 5: Solve for x
    x = 9,131,933,785.21/134,143.38
  6. Step 6: Final answer
    x = 68,075.92

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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.