Home / 242,859.40-335,147.46-135,436.26

Finding the Fourth Proportional to 242,859.40, 335,147.46 and 135,436.26

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Solution

The fourth proportional to 242,859.40, 335,147.46 and 135,436.26 is: 186,902.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,859.40 : 335,147.46 = 135,436.26 : x
  2. Step 2: Convert to fraction form
    242,859.40/335,147.46 = 135,436.26/x
  3. Step 3: Cross multiply
    242,859.40x = 335,147.46 × 135,436.26
  4. Step 4: Simplify right side
    242,859.40x = 45,391,118,530.90
  5. Step 5: Solve for x
    x = 45,391,118,530.90/242,859.40
  6. Step 6: Final answer
    x = 186,902.87

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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.