Home / 140,146.83-210,191.99-40,283.55

Finding the Fourth Proportional to 140,146.83, 210,191.99 and 40,283.55

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Solution

The fourth proportional to 140,146.83, 210,191.99 and 40,283.55 is: 60,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,146.83 : 210,191.99 = 40,283.55 : x
  2. Step 2: Convert to fraction form
    140,146.83/210,191.99 = 40,283.55/x
  3. Step 3: Cross multiply
    140,146.83x = 210,191.99 × 40,283.55
  4. Step 4: Simplify right side
    140,146.83x = 8,467,279,337.35
  5. Step 5: Solve for x
    x = 8,467,279,337.35/140,146.83
  6. Step 6: Final answer
    x = 60,417.20

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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.