Home / 117,946.40-162,769.12-64,233.60

Finding the Fourth Proportional to 117,946.40, 162,769.12 and 64,233.60

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Solution

The fourth proportional to 117,946.40, 162,769.12 and 64,233.60 is: 88,644.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,946.40 : 162,769.12 = 64,233.60 : x
  2. Step 2: Convert to fraction form
    117,946.40/162,769.12 = 64,233.60/x
  3. Step 3: Cross multiply
    117,946.40x = 162,769.12 × 64,233.60
  4. Step 4: Simplify right side
    117,946.40x = 10,455,246,546.43
  5. Step 5: Solve for x
    x = 10,455,246,546.43/117,946.40
  6. Step 6: Final answer
    x = 88,644.05

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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.