Home / 109,661.14-164,458.59-57,041.92

Finding the Fourth Proportional to 109,661.14, 164,458.59 and 57,041.92

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Solution

The fourth proportional to 109,661.14, 164,458.59 and 57,041.92 is: 85,545.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,661.14 : 164,458.59 = 57,041.92 : x
  2. Step 2: Convert to fraction form
    109,661.14/164,458.59 = 57,041.92/x
  3. Step 3: Cross multiply
    109,661.14x = 164,458.59 × 57,041.92
  4. Step 4: Simplify right side
    109,661.14x = 9,381,033,725.76
  5. Step 5: Solve for x
    x = 9,381,033,725.76/109,661.14
  6. Step 6: Final answer
    x = 85,545.65

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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.