Home / 134,516.72-185,641.50-74,087.35

Finding the Fourth Proportional to 134,516.72, 185,641.50 and 74,087.35

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Solution

The fourth proportional to 134,516.72, 185,641.50 and 74,087.35 is: 102,245.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,516.72 : 185,641.50 = 74,087.35 : x
  2. Step 2: Convert to fraction form
    134,516.72/185,641.50 = 74,087.35/x
  3. Step 3: Cross multiply
    134,516.72x = 185,641.50 × 74,087.35
  4. Step 4: Simplify right side
    134,516.72x = 13,753,686,785.03
  5. Step 5: Solve for x
    x = 13,753,686,785.03/134,516.72
  6. Step 6: Final answer
    x = 102,245.18

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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.