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Finding the Fourth Proportional to 88,669.62, 132,484.95 and 85,568.94

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Solution

The fourth proportional to 88,669.62, 132,484.95 and 85,568.94 is: 127,852.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,669.62 : 132,484.95 = 85,568.94 : x
  2. Step 2: Convert to fraction form
    88,669.62/132,484.95 = 85,568.94/x
  3. Step 3: Cross multiply
    88,669.62x = 132,484.95 × 85,568.94
  4. Step 4: Simplify right side
    88,669.62x = 11,336,596,737.45
  5. Step 5: Solve for x
    x = 11,336,596,737.45/88,669.62
  6. Step 6: Final answer
    x = 127,852.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.