Home / 88,840.30-133,066.05-77,176.30

Finding the Fourth Proportional to 88,840.30, 133,066.05 and 77,176.30

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Solution

The fourth proportional to 88,840.30, 133,066.05 and 77,176.30 is: 115,595.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,840.30 : 133,066.05 = 77,176.30 : x
  2. Step 2: Convert to fraction form
    88,840.30/133,066.05 = 77,176.30/x
  3. Step 3: Cross multiply
    88,840.30x = 133,066.05 × 77,176.30
  4. Step 4: Simplify right side
    88,840.30x = 10,269,545,394.62
  5. Step 5: Solve for x
    x = 10,269,545,394.62/88,840.30
  6. Step 6: Final answer
    x = 115,595.57

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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.