Home / 140,288.18-210,516.11-51,550.66

Finding the Fourth Proportional to 140,288.18, 210,516.11 and 51,550.66

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Solution

The fourth proportional to 140,288.18, 210,516.11 and 51,550.66 is: 77,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,288.18 : 210,516.11 = 51,550.66 : x
  2. Step 2: Convert to fraction form
    140,288.18/210,516.11 = 51,550.66/x
  3. Step 3: Cross multiply
    140,288.18x = 210,516.11 × 51,550.66
  4. Step 4: Simplify right side
    140,288.18x = 10,852,244,411.13
  5. Step 5: Solve for x
    x = 10,852,244,411.13/140,288.18
  6. Step 6: Final answer
    x = 77,356.80

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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.