Home / 140,007.20-210,010.80-46,512.95

Finding the Fourth Proportional to 140,007.20, 210,010.80 and 46,512.95

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Solution

The fourth proportional to 140,007.20, 210,010.80 and 46,512.95 is: 69,769.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,007.20 : 210,010.80 = 46,512.95 : x
  2. Step 2: Convert to fraction form
    140,007.20/210,010.80 = 46,512.95/x
  3. Step 3: Cross multiply
    140,007.20x = 210,010.80 × 46,512.95
  4. Step 4: Simplify right side
    140,007.20x = 9,768,221,839.86
  5. Step 5: Solve for x
    x = 9,768,221,839.86/140,007.20
  6. Step 6: Final answer
    x = 69,769.43

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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.