Home / 140,144.45-210,252.66-40,312.46

Finding the Fourth Proportional to 140,144.45, 210,252.66 and 40,312.46

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Solution

The fourth proportional to 140,144.45, 210,252.66 and 40,312.46 is: 60,479.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,144.45 : 210,252.66 = 40,312.46 : x
  2. Step 2: Convert to fraction form
    140,144.45/210,252.66 = 40,312.46/x
  3. Step 3: Cross multiply
    140,144.45x = 210,252.66 × 40,312.46
  4. Step 4: Simplify right side
    140,144.45x = 8,475,800,894.88
  5. Step 5: Solve for x
    x = 8,475,800,894.88/140,144.45
  6. Step 6: Final answer
    x = 60,479.04

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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.