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Finding the Fourth Proportional to 140,752.76, 211,178.76 and 93,555.32

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Solution

The fourth proportional to 140,752.76, 211,178.76 and 93,555.32 is: 140,365.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,752.76 : 211,178.76 = 93,555.32 : x
  2. Step 2: Convert to fraction form
    140,752.76/211,178.76 = 93,555.32/x
  3. Step 3: Cross multiply
    140,752.76x = 211,178.76 × 93,555.32
  4. Step 4: Simplify right side
    140,752.76x = 19,756,896,469.00
  5. Step 5: Solve for x
    x = 19,756,896,469.00/140,752.76
  6. Step 6: Final answer
    x = 140,365.96

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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.