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Finding the Fourth Proportional to 114,696, 158,280.48 and 64,395

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Solution

The fourth proportional to 114,696, 158,280.48 and 64,395 is: 88,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,696 : 158,280.48 = 64,395 : x
  2. Step 2: Convert to fraction form
    114,696/158,280.48 = 64,395/x
  3. Step 3: Cross multiply
    114,696x = 158,280.48 × 64,395
  4. Step 4: Simplify right side
    114,696x = 10,192,471,509.60
  5. Step 5: Solve for x
    x = 10,192,471,509.60/114,696
  6. Step 6: Final answer
    x = 88,865.10

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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.