Home / 140,470.38-210,705.77-57,364.38

Finding the Fourth Proportional to 140,470.38, 210,705.77 and 57,364.38

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Solution

The fourth proportional to 140,470.38, 210,705.77 and 57,364.38 is: 86,046.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,470.38 : 210,705.77 = 57,364.38 : x
  2. Step 2: Convert to fraction form
    140,470.38/210,705.77 = 57,364.38/x
  3. Step 3: Cross multiply
    140,470.38x = 210,705.77 × 57,364.38
  4. Step 4: Simplify right side
    140,470.38x = 12,087,004,518.12
  5. Step 5: Solve for x
    x = 12,087,004,518.12/140,470.38
  6. Step 6: Final answer
    x = 86,046.65

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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.