Home / 374,155.20-561,123.45-134,241.30

Finding the Fourth Proportional to 374,155.20, 561,123.45 and 134,241.30

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Solution

The fourth proportional to 374,155.20, 561,123.45 and 134,241.30 is: 201,322.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,155.20 : 561,123.45 = 134,241.30 : x
  2. Step 2: Convert to fraction form
    374,155.20/561,123.45 = 134,241.30/x
  3. Step 3: Cross multiply
    374,155.20x = 561,123.45 × 134,241.30
  4. Step 4: Simplify right side
    374,155.20x = 75,325,941,388.49
  5. Step 5: Solve for x
    x = 75,325,941,388.49/374,155.20
  6. Step 6: Final answer
    x = 201,322.72

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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.