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Finding the Fourth Proportional to 116,032, 160,126.08 and 63,040

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Solution

The fourth proportional to 116,032, 160,126.08 and 63,040 is: 86,996.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,032 : 160,126.08 = 63,040 : x
  2. Step 2: Convert to fraction form
    116,032/160,126.08 = 63,040/x
  3. Step 3: Cross multiply
    116,032x = 160,126.08 × 63,040
  4. Step 4: Simplify right side
    116,032x = 10,094,348,083.20
  5. Step 5: Solve for x
    x = 10,094,348,083.20/116,032
  6. Step 6: Final answer
    x = 86,996.24

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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.