Home / 140,272.20-210,470.24-73,696.40

Finding the Fourth Proportional to 140,272.20, 210,470.24 and 73,696.40

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Solution

The fourth proportional to 140,272.20, 210,470.24 and 73,696.40 is: 110,577.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,272.20 : 210,470.24 = 73,696.40 : x
  2. Step 2: Convert to fraction form
    140,272.20/210,470.24 = 73,696.40/x
  3. Step 3: Cross multiply
    140,272.20x = 210,470.24 × 73,696.40
  4. Step 4: Simplify right side
    140,272.20x = 15,510,898,995.14
  5. Step 5: Solve for x
    x = 15,510,898,995.14/140,272.20
  6. Step 6: Final answer
    x = 110,577.14

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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.