Home / 140,084.46-210,128.12-40,244.40

Finding the Fourth Proportional to 140,084.46, 210,128.12 and 40,244.40

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Solution

The fourth proportional to 140,084.46, 210,128.12 and 40,244.40 is: 60,367.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,084.46 : 210,128.12 = 40,244.40 : x
  2. Step 2: Convert to fraction form
    140,084.46/210,128.12 = 40,244.40/x
  3. Step 3: Cross multiply
    140,084.46x = 210,128.12 × 40,244.40
  4. Step 4: Simplify right side
    140,084.46x = 8,456,480,112.53
  5. Step 5: Solve for x
    x = 8,456,480,112.53/140,084.46
  6. Step 6: Final answer
    x = 60,367.01

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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.