Home / 141,388.40-212,082.60-71,404.40

Finding the Fourth Proportional to 141,388.40, 212,082.60 and 71,404.40

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Solution

The fourth proportional to 141,388.40, 212,082.60 and 71,404.40 is: 107,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,388.40 : 212,082.60 = 71,404.40 : x
  2. Step 2: Convert to fraction form
    141,388.40/212,082.60 = 71,404.40/x
  3. Step 3: Cross multiply
    141,388.40x = 212,082.60 × 71,404.40
  4. Step 4: Simplify right side
    141,388.40x = 15,143,630,803.44
  5. Step 5: Solve for x
    x = 15,143,630,803.44/141,388.40
  6. Step 6: Final answer
    x = 107,106.60

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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.