Home / 140,690.28-210,852.36-107,287.50

Finding the Fourth Proportional to 140,690.28, 210,852.36 and 107,287.50

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Solution

The fourth proportional to 140,690.28, 210,852.36 and 107,287.50 is: 160,791.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,690.28 : 210,852.36 = 107,287.50 : x
  2. Step 2: Convert to fraction form
    140,690.28/210,852.36 = 107,287.50/x
  3. Step 3: Cross multiply
    140,690.28x = 210,852.36 × 107,287.50
  4. Step 4: Simplify right side
    140,690.28x = 22,621,822,573.50
  5. Step 5: Solve for x
    x = 22,621,822,573.50/140,690.28
  6. Step 6: Final answer
    x = 160,791.65

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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.