Home / 134,480.10-201,661.80-45,709.76

Finding the Fourth Proportional to 134,480.10, 201,661.80 and 45,709.76

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Solution

The fourth proportional to 134,480.10, 201,661.80 and 45,709.76 is: 68,544.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,480.10 : 201,661.80 = 45,709.76 : x
  2. Step 2: Convert to fraction form
    134,480.10/201,661.80 = 45,709.76/x
  3. Step 3: Cross multiply
    134,480.10x = 201,661.80 × 45,709.76
  4. Step 4: Simplify right side
    134,480.10x = 9,217,912,479.17
  5. Step 5: Solve for x
    x = 9,217,912,479.17/134,480.10
  6. Step 6: Final answer
    x = 68,544.81

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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.