Home / 140,150.71-210,261.57-40,308.76

Finding the Fourth Proportional to 140,150.71, 210,261.57 and 40,308.76

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Solution

The fourth proportional to 140,150.71, 210,261.57 and 40,308.76 is: 60,473.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,150.71 : 210,261.57 = 40,308.76 : x
  2. Step 2: Convert to fraction form
    140,150.71/210,261.57 = 40,308.76/x
  3. Step 3: Cross multiply
    140,150.71x = 210,261.57 × 40,308.76
  4. Step 4: Simplify right side
    140,150.71x = 8,475,383,162.35
  5. Step 5: Solve for x
    x = 8,475,383,162.35/140,150.71
  6. Step 6: Final answer
    x = 60,473.35

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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.