Home / 134,921.80-202,382.70-41,415.40

Finding the Fourth Proportional to 134,921.80, 202,382.70 and 41,415.40

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Solution

The fourth proportional to 134,921.80, 202,382.70 and 41,415.40 is: 62,123.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,921.80 : 202,382.70 = 41,415.40 : x
  2. Step 2: Convert to fraction form
    134,921.80/202,382.70 = 41,415.40/x
  3. Step 3: Cross multiply
    134,921.80x = 202,382.70 × 41,415.40
  4. Step 4: Simplify right side
    134,921.80x = 8,381,760,473.58
  5. Step 5: Solve for x
    x = 8,381,760,473.58/134,921.80
  6. Step 6: Final answer
    x = 62,123.10

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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.