Home / 140,144.68-210,252.56-40,302.72

Finding the Fourth Proportional to 140,144.68, 210,252.56 and 40,302.72

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Solution

The fourth proportional to 140,144.68, 210,252.56 and 40,302.72 is: 60,464.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,144.68 : 210,252.56 = 40,302.72 : x
  2. Step 2: Convert to fraction form
    140,144.68/210,252.56 = 40,302.72/x
  3. Step 3: Cross multiply
    140,144.68x = 210,252.56 × 40,302.72
  4. Step 4: Simplify right side
    140,144.68x = 8,473,750,054.96
  5. Step 5: Solve for x
    x = 8,473,750,054.96/140,144.68
  6. Step 6: Final answer
    x = 60,464.30

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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.