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Finding the Fourth Proportional to 159,671.16, 239,525.82 and 64,881.08

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Solution

The fourth proportional to 159,671.16, 239,525.82 and 64,881.08 is: 97,329.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,671.16 : 239,525.82 = 64,881.08 : x
  2. Step 2: Convert to fraction form
    159,671.16/239,525.82 = 64,881.08/x
  3. Step 3: Cross multiply
    159,671.16x = 239,525.82 × 64,881.08
  4. Step 4: Simplify right side
    159,671.16x = 15,540,693,889.49
  5. Step 5: Solve for x
    x = 15,540,693,889.49/159,671.16
  6. Step 6: Final answer
    x = 97,329.37

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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.