Home / 102,539.45-141,504.17-57,216.94

Finding the Fourth Proportional to 102,539.45, 141,504.17 and 57,216.94

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Solution

The fourth proportional to 102,539.45, 141,504.17 and 57,216.94 is: 78,959.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,539.45 : 141,504.17 = 57,216.94 : x
  2. Step 2: Convert to fraction form
    102,539.45/141,504.17 = 57,216.94/x
  3. Step 3: Cross multiply
    102,539.45x = 141,504.17 × 57,216.94
  4. Step 4: Simplify right side
    102,539.45x = 8,096,434,964.79
  5. Step 5: Solve for x
    x = 8,096,434,964.79/102,539.45
  6. Step 6: Final answer
    x = 78,959.22

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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.