Home / 95,981.02-143,760.93-79,151.38

Finding the Fourth Proportional to 95,981.02, 143,760.93 and 79,151.38

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Solution

The fourth proportional to 95,981.02, 143,760.93 and 79,151.38 is: 118,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,981.02 : 143,760.93 = 79,151.38 : x
  2. Step 2: Convert to fraction form
    95,981.02/143,760.93 = 79,151.38/x
  3. Step 3: Cross multiply
    95,981.02x = 143,760.93 × 79,151.38
  4. Step 4: Simplify right side
    95,981.02x = 11,378,875,999.58
  5. Step 5: Solve for x
    x = 11,378,875,999.58/95,981.02
  6. Step 6: Final answer
    x = 118,553.40

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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.