Home / 116,864.47-161,272.90-63,149.47

Finding the Fourth Proportional to 116,864.47, 161,272.90 and 63,149.47

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Solution

The fourth proportional to 116,864.47, 161,272.90 and 63,149.47 is: 87,146.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,864.47 : 161,272.90 = 63,149.47 : x
  2. Step 2: Convert to fraction form
    116,864.47/161,272.90 = 63,149.47/x
  3. Step 3: Cross multiply
    116,864.47x = 161,272.90 × 63,149.47
  4. Step 4: Simplify right side
    116,864.47x = 10,184,297,836.12
  5. Step 5: Solve for x
    x = 10,184,297,836.12/116,864.47
  6. Step 6: Final answer
    x = 87,146.23

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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.