Home / 94,139.66-141,179.58-30,945.20

Finding the Fourth Proportional to 94,139.66, 141,179.58 and 30,945.20

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Solution

The fourth proportional to 94,139.66, 141,179.58 and 30,945.20 is: 46,407.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,139.66 : 141,179.58 = 30,945.20 : x
  2. Step 2: Convert to fraction form
    94,139.66/141,179.58 = 30,945.20/x
  3. Step 3: Cross multiply
    94,139.66x = 141,179.58 × 30,945.20
  4. Step 4: Simplify right side
    94,139.66x = 4,368,830,339.02
  5. Step 5: Solve for x
    x = 4,368,830,339.02/94,139.66
  6. Step 6: Final answer
    x = 46,407.97

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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.