Home / 166,427.72-229,671.32-89,946.65

Finding the Fourth Proportional to 166,427.72, 229,671.32 and 89,946.65

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Solution

The fourth proportional to 166,427.72, 229,671.32 and 89,946.65 is: 124,126.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,427.72 : 229,671.32 = 89,946.65 : x
  2. Step 2: Convert to fraction form
    166,427.72/229,671.32 = 89,946.65/x
  3. Step 3: Cross multiply
    166,427.72x = 229,671.32 × 89,946.65
  4. Step 4: Simplify right side
    166,427.72x = 20,658,164,236.99
  5. Step 5: Solve for x
    x = 20,658,164,236.99/166,427.72
  6. Step 6: Final answer
    x = 124,126.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.