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Finding the Fourth Proportional to 88,830.30, 133,051.05 and 77,166.30

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Solution

The fourth proportional to 88,830.30, 133,051.05 and 77,166.30 is: 115,580.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,830.30 : 133,051.05 = 77,166.30 : x
  2. Step 2: Convert to fraction form
    88,830.30/133,051.05 = 77,166.30/x
  3. Step 3: Cross multiply
    88,830.30x = 133,051.05 × 77,166.30
  4. Step 4: Simplify right side
    88,830.30x = 10,267,057,239.62
  5. Step 5: Solve for x
    x = 10,267,057,239.62/88,830.30
  6. Step 6: Final answer
    x = 115,580.58

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1.5x scale

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.