Home / 374,157.18-561,291.35-137,481.39

Finding the Fourth Proportional to 374,157.18, 561,291.35 and 137,481.39

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Solution

The fourth proportional to 374,157.18, 561,291.35 and 137,481.39 is: 206,242.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,157.18 : 561,291.35 = 137,481.39 : x
  2. Step 2: Convert to fraction form
    374,157.18/561,291.35 = 137,481.39/x
  3. Step 3: Cross multiply
    374,157.18x = 561,291.35 × 137,481.39
  4. Step 4: Simplify right side
    374,157.18x = 77,167,114,305.57
  5. Step 5: Solve for x
    x = 77,167,114,305.57/374,157.18
  6. Step 6: Final answer
    x = 206,242.51

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1.5x scale

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.