Home / 140,138.91-210,220.52-40,307.22

Finding the Fourth Proportional to 140,138.91, 210,220.52 and 40,307.22

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Solution

The fourth proportional to 140,138.91, 210,220.52 and 40,307.22 is: 60,464.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,138.91 : 210,220.52 = 40,307.22 : x
  2. Step 2: Convert to fraction form
    140,138.91/210,220.52 = 40,307.22/x
  3. Step 3: Cross multiply
    140,138.91x = 210,220.52 × 40,307.22
  4. Step 4: Simplify right side
    140,138.91x = 8,473,404,546.62
  5. Step 5: Solve for x
    x = 8,473,404,546.62/140,138.91
  6. Step 6: Final answer
    x = 60,464.32

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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.