Home / 102,833.69-141,909.47-57,511.15

Finding the Fourth Proportional to 102,833.69, 141,909.47 and 57,511.15

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Solution

The fourth proportional to 102,833.69, 141,909.47 and 57,511.15 is: 79,364.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,833.69 : 141,909.47 = 57,511.15 : x
  2. Step 2: Convert to fraction form
    102,833.69/141,909.47 = 57,511.15/x
  3. Step 3: Cross multiply
    102,833.69x = 141,909.47 × 57,511.15
  4. Step 4: Simplify right side
    102,833.69x = 8,161,376,388.93
  5. Step 5: Solve for x
    x = 8,161,376,388.93/102,833.69
  6. Step 6: Final answer
    x = 79,364.82

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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.