Home / 134,131.92-185,106.60-73,704.74

Finding the Fourth Proportional to 134,131.92, 185,106.60 and 73,704.74

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Solution

The fourth proportional to 134,131.92, 185,106.60 and 73,704.74 is: 101,715.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,131.92 : 185,106.60 = 73,704.74 : x
  2. Step 2: Convert to fraction form
    134,131.92/185,106.60 = 73,704.74/x
  3. Step 3: Cross multiply
    134,131.92x = 185,106.60 × 73,704.74
  4. Step 4: Simplify right side
    134,131.92x = 13,643,232,899.75
  5. Step 5: Solve for x
    x = 13,643,232,899.75/134,131.92
  6. Step 6: Final answer
    x = 101,715.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.