Home / 102,192.93-140,905.62-69,943.11

Finding the Fourth Proportional to 102,192.93, 140,905.62 and 69,943.11

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Solution

The fourth proportional to 102,192.93, 140,905.62 and 69,943.11 is: 96,438.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,192.93 : 140,905.62 = 69,943.11 : x
  2. Step 2: Convert to fraction form
    102,192.93/140,905.62 = 69,943.11/x
  3. Step 3: Cross multiply
    102,192.93x = 140,905.62 × 69,943.11
  4. Step 4: Simplify right side
    102,192.93x = 9,855,377,279.28
  5. Step 5: Solve for x
    x = 9,855,377,279.28/102,192.93
  6. Step 6: Final answer
    x = 96,438.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.