Home / 117,062.82-161,545.95-66,076.20

Finding the Fourth Proportional to 117,062.82, 161,545.95 and 66,076.20

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Solution

The fourth proportional to 117,062.82, 161,545.95 and 66,076.20 is: 91,184.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,062.82 : 161,545.95 = 66,076.20 : x
  2. Step 2: Convert to fraction form
    117,062.82/161,545.95 = 66,076.20/x
  3. Step 3: Cross multiply
    117,062.82x = 161,545.95 × 66,076.20
  4. Step 4: Simplify right side
    117,062.82x = 10,674,342,501.39
  5. Step 5: Solve for x
    x = 10,674,342,501.39/117,062.82
  6. Step 6: Final answer
    x = 91,184.74

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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.