Home / 117,071.82-161,559.12-63,356.85

Finding the Fourth Proportional to 117,071.82, 161,559.12 and 63,356.85

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Solution

The fourth proportional to 117,071.82, 161,559.12 and 63,356.85 is: 87,432.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,071.82 : 161,559.12 = 63,356.85 : x
  2. Step 2: Convert to fraction form
    117,071.82/161,559.12 = 63,356.85/x
  3. Step 3: Cross multiply
    117,071.82x = 161,559.12 × 63,356.85
  4. Step 4: Simplify right side
    117,071.82x = 10,235,876,124.18
  5. Step 5: Solve for x
    x = 10,235,876,124.18/117,071.82
  6. Step 6: Final answer
    x = 87,432.45

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1.5x scale

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.