Home / 102,879.06-141,941.61-67,056

Finding the Fourth Proportional to 102,879.06, 141,941.61 and 67,056

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Solution

The fourth proportional to 102,879.06, 141,941.61 and 67,056 is: 92,516.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,879.06 : 141,941.61 = 67,056 : x
  2. Step 2: Convert to fraction form
    102,879.06/141,941.61 = 67,056/x
  3. Step 3: Cross multiply
    102,879.06x = 141,941.61 × 67,056
  4. Step 4: Simplify right side
    102,879.06x = 9,518,036,600.16
  5. Step 5: Solve for x
    x = 9,518,036,600.16/102,879.06
  6. Step 6: Final answer
    x = 92,516.75

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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.