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Finding the Fourth Proportional to 159,860.77, 239,702.99 and 65,066.63

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Solution

The fourth proportional to 159,860.77, 239,702.99 and 65,066.63 is: 97,564.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,860.77 : 239,702.99 = 65,066.63 : x
  2. Step 2: Convert to fraction form
    159,860.77/239,702.99 = 65,066.63/x
  3. Step 3: Cross multiply
    159,860.77x = 239,702.99 × 65,066.63
  4. Step 4: Simplify right side
    159,860.77x = 15,596,664,236.38
  5. Step 5: Solve for x
    x = 15,596,664,236.38/159,860.77
  6. Step 6: Final answer
    x = 97,564.05

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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.