Home / 140,281.14-210,451.32-45,503.97

Finding the Fourth Proportional to 140,281.14, 210,451.32 and 45,503.97

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Solution

The fourth proportional to 140,281.14, 210,451.32 and 45,503.97 is: 68,265.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,281.14 : 210,451.32 = 45,503.97 : x
  2. Step 2: Convert to fraction form
    140,281.14/210,451.32 = 45,503.97/x
  3. Step 3: Cross multiply
    140,281.14x = 210,451.32 × 45,503.97
  4. Step 4: Simplify right side
    140,281.14x = 9,576,370,551.74
  5. Step 5: Solve for x
    x = 9,576,370,551.74/140,281.14
  6. Step 6: Final answer
    x = 68,265.56

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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.