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Finding the Fourth Proportional to 166,752, 230,116.40 and 90,269.52

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Solution

The fourth proportional to 166,752, 230,116.40 and 90,269.52 is: 124,571.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,752 : 230,116.40 = 90,269.52 : x
  2. Step 2: Convert to fraction form
    166,752/230,116.40 = 90,269.52/x
  3. Step 3: Cross multiply
    166,752x = 230,116.40 × 90,269.52
  4. Step 4: Simplify right side
    166,752x = 20,772,496,520.78
  5. Step 5: Solve for x
    x = 20,772,496,520.78/166,752
  6. Step 6: Final answer
    x = 124,571.20

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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.