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Finding the Fourth Proportional to 115,276, 159,080.88 and 62,284

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Solution

The fourth proportional to 115,276, 159,080.88 and 62,284 is: 85,951.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,276 : 159,080.88 = 62,284 : x
  2. Step 2: Convert to fraction form
    115,276/159,080.88 = 62,284/x
  3. Step 3: Cross multiply
    115,276x = 159,080.88 × 62,284
  4. Step 4: Simplify right side
    115,276x = 9,908,193,529.92
  5. Step 5: Solve for x
    x = 9,908,193,529.92/115,276
  6. Step 6: Final answer
    x = 85,951.92

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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.