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Finding the Fourth Proportional to 159,366, 219,925.08 and 88,710

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Solution

The fourth proportional to 159,366, 219,925.08 and 88,710 is: 122,419.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,366 : 219,925.08 = 88,710 : x
  2. Step 2: Convert to fraction form
    159,366/219,925.08 = 88,710/x
  3. Step 3: Cross multiply
    159,366x = 219,925.08 × 88,710
  4. Step 4: Simplify right side
    159,366x = 19,509,553,846.80
  5. Step 5: Solve for x
    x = 19,509,553,846.80/159,366
  6. Step 6: Final answer
    x = 122,419.80

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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.