Home / 117,484.05-161,718.25-101,402.38

Finding the Fourth Proportional to 117,484.05, 161,718.25 and 101,402.38

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Solution

The fourth proportional to 117,484.05, 161,718.25 and 101,402.38 is: 139,581.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,484.05 : 161,718.25 = 101,402.38 : x
  2. Step 2: Convert to fraction form
    117,484.05/161,718.25 = 101,402.38/x
  3. Step 3: Cross multiply
    117,484.05x = 161,718.25 × 101,402.38
  4. Step 4: Simplify right side
    117,484.05x = 16,398,615,293.01
  5. Step 5: Solve for x
    x = 16,398,615,293.01/117,484.05
  6. Step 6: Final answer
    x = 139,581.64

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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.