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Finding the Fourth Proportional to 89,314.08, 133,868.80 and 36,658.40

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Solution

The fourth proportional to 89,314.08, 133,868.80 and 36,658.40 is: 54,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,314.08 : 133,868.80 = 36,658.40 : x
  2. Step 2: Convert to fraction form
    89,314.08/133,868.80 = 36,658.40/x
  3. Step 3: Cross multiply
    89,314.08x = 133,868.80 × 36,658.40
  4. Step 4: Simplify right side
    89,314.08x = 4,907,416,017.92
  5. Step 5: Solve for x
    x = 4,907,416,017.92/89,314.08
  6. Step 6: Final answer
    x = 54,945.60

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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.