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Finding the Fourth Proportional to 159,653.50, 239,480.25 and 64,935.22

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Solution

The fourth proportional to 159,653.50, 239,480.25 and 64,935.22 is: 97,402.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,653.50 : 239,480.25 = 64,935.22 : x
  2. Step 2: Convert to fraction form
    159,653.50/239,480.25 = 64,935.22/x
  3. Step 3: Cross multiply
    159,653.50x = 239,480.25 × 64,935.22
  4. Step 4: Simplify right side
    159,653.50x = 15,550,702,120.70
  5. Step 5: Solve for x
    x = 15,550,702,120.70/159,653.50
  6. Step 6: Final answer
    x = 97,402.83

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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.