Home / 135,230.83-202,072.91-103,032.97

Finding the Fourth Proportional to 135,230.83, 202,072.91 and 103,032.97

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Solution

The fourth proportional to 135,230.83, 202,072.91 and 103,032.97 is: 153,960.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,230.83 : 202,072.91 = 103,032.97 : x
  2. Step 2: Convert to fraction form
    135,230.83/202,072.91 = 103,032.97/x
  3. Step 3: Cross multiply
    135,230.83x = 202,072.91 × 103,032.97
  4. Step 4: Simplify right side
    135,230.83x = 20,820,172,073.84
  5. Step 5: Solve for x
    x = 20,820,172,073.84/135,230.83
  6. Step 6: Final answer
    x = 153,960.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.