Home / 78,151.48-117,093.66-55,850.92

Finding the Fourth Proportional to 78,151.48, 117,093.66 and 55,850.92

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Solution

The fourth proportional to 78,151.48, 117,093.66 and 55,850.92 is: 83,680.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,151.48 : 117,093.66 = 55,850.92 : x
  2. Step 2: Convert to fraction form
    78,151.48/117,093.66 = 55,850.92/x
  3. Step 3: Cross multiply
    78,151.48x = 117,093.66 × 55,850.92
  4. Step 4: Simplify right side
    78,151.48x = 6,539,788,637.17
  5. Step 5: Solve for x
    x = 6,539,788,637.17/78,151.48
  6. Step 6: Final answer
    x = 83,680.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.