Home / 102,352.44-141,276.78-64,651.80

Finding the Fourth Proportional to 102,352.44, 141,276.78 and 64,651.80

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Solution

The fourth proportional to 102,352.44, 141,276.78 and 64,651.80 is: 89,238.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,352.44 : 141,276.78 = 64,651.80 : x
  2. Step 2: Convert to fraction form
    102,352.44/141,276.78 = 64,651.80/x
  3. Step 3: Cross multiply
    102,352.44x = 141,276.78 × 64,651.80
  4. Step 4: Simplify right side
    102,352.44x = 9,133,798,125.20
  5. Step 5: Solve for x
    x = 9,133,798,125.20/102,352.44
  6. Step 6: Final answer
    x = 89,238.69

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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.