Home / 112,171.11-168,288.41-45,658.95

Finding the Fourth Proportional to 112,171.11, 168,288.41 and 45,658.95

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Solution

The fourth proportional to 112,171.11, 168,288.41 and 45,658.95 is: 68,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,171.11 : 168,288.41 = 45,658.95 : x
  2. Step 2: Convert to fraction form
    112,171.11/168,288.41 = 45,658.95/x
  3. Step 3: Cross multiply
    112,171.11x = 168,288.41 × 45,658.95
  4. Step 4: Simplify right side
    112,171.11x = 7,683,872,097.77
  5. Step 5: Solve for x
    x = 7,683,872,097.77/112,171.11
  6. Step 6: Final answer
    x = 68,501.35

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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.