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Finding the Fourth Proportional to 88,678.82, 133,018.24 and 59,154.32

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Solution

The fourth proportional to 88,678.82, 133,018.24 and 59,154.32 is: 88,731.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,678.82 : 133,018.24 = 59,154.32 : x
  2. Step 2: Convert to fraction form
    88,678.82/133,018.24 = 59,154.32/x
  3. Step 3: Cross multiply
    88,678.82x = 133,018.24 × 59,154.32
  4. Step 4: Simplify right side
    88,678.82x = 7,868,603,534.80
  5. Step 5: Solve for x
    x = 7,868,603,534.80/88,678.82
  6. Step 6: Final answer
    x = 88,731.49

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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.