Home / 166,285.44-229,478.40-99,256.32

Finding the Fourth Proportional to 166,285.44, 229,478.40 and 99,256.32

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Solution

The fourth proportional to 166,285.44, 229,478.40 and 99,256.32 is: 136,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,285.44 : 229,478.40 = 99,256.32 : x
  2. Step 2: Convert to fraction form
    166,285.44/229,478.40 = 99,256.32/x
  3. Step 3: Cross multiply
    166,285.44x = 229,478.40 × 99,256.32
  4. Step 4: Simplify right side
    166,285.44x = 22,777,181,503.49
  5. Step 5: Solve for x
    x = 22,777,181,503.49/166,285.44
  6. Step 6: Final answer
    x = 136,976.40

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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.