Home / 140,802.64-211,166.88-52,081.56

Finding the Fourth Proportional to 140,802.64, 211,166.88 and 52,081.56

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Solution

The fourth proportional to 140,802.64, 211,166.88 and 52,081.56 is: 78,108.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,802.64 : 211,166.88 = 52,081.56 : x
  2. Step 2: Convert to fraction form
    140,802.64/211,166.88 = 52,081.56/x
  3. Step 3: Cross multiply
    140,802.64x = 211,166.88 × 52,081.56
  4. Step 4: Simplify right side
    140,802.64x = 10,997,900,530.73
  5. Step 5: Solve for x
    x = 10,997,900,530.73/140,802.64
  6. Step 6: Final answer
    x = 78,108.62

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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.