Home / 89,398.64-133,940.33-47,185.73

Finding the Fourth Proportional to 89,398.64, 133,940.33 and 47,185.73

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Solution

The fourth proportional to 89,398.64, 133,940.33 and 47,185.73 is: 70,695.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,398.64 : 133,940.33 = 47,185.73 : x
  2. Step 2: Convert to fraction form
    89,398.64/133,940.33 = 47,185.73/x
  3. Step 3: Cross multiply
    89,398.64x = 133,940.33 × 47,185.73
  4. Step 4: Simplify right side
    89,398.64x = 6,320,072,247.49
  5. Step 5: Solve for x
    x = 6,320,072,247.49/89,398.64
  6. Step 6: Final answer
    x = 70,695.40

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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.