Home / 140,172.60-210,291.10-40,333.62

Finding the Fourth Proportional to 140,172.60, 210,291.10 and 40,333.62

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Solution

The fourth proportional to 140,172.60, 210,291.10 and 40,333.62 is: 60,509.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,172.60 : 210,291.10 = 40,333.62 : x
  2. Step 2: Convert to fraction form
    140,172.60/210,291.10 = 40,333.62/x
  3. Step 3: Cross multiply
    140,172.60x = 210,291.10 × 40,333.62
  4. Step 4: Simplify right side
    140,172.60x = 8,481,801,316.78
  5. Step 5: Solve for x
    x = 8,481,801,316.78/140,172.60
  6. Step 6: Final answer
    x = 60,509.70

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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.