Home / 134,854.07-202,218.52-78,710.41

Finding the Fourth Proportional to 134,854.07, 202,218.52 and 78,710.41

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Solution

The fourth proportional to 134,854.07, 202,218.52 and 78,710.41 is: 118,029.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,854.07 : 202,218.52 = 78,710.41 : x
  2. Step 2: Convert to fraction form
    134,854.07/202,218.52 = 78,710.41/x
  3. Step 3: Cross multiply
    134,854.07x = 202,218.52 × 78,710.41
  4. Step 4: Simplify right side
    134,854.07x = 15,916,702,618.79
  5. Step 5: Solve for x
    x = 15,916,702,618.79/134,854.07
  6. Step 6: Final answer
    x = 118,029.09

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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.