Home / 129,325.61-193,976.88-45,071.44

Finding the Fourth Proportional to 129,325.61, 193,976.88 and 45,071.44

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Solution

The fourth proportional to 129,325.61, 193,976.88 and 45,071.44 is: 67,603.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,325.61 : 193,976.88 = 45,071.44 : x
  2. Step 2: Convert to fraction form
    129,325.61/193,976.88 = 45,071.44/x
  3. Step 3: Cross multiply
    129,325.61x = 193,976.88 × 45,071.44
  4. Step 4: Simplify right side
    129,325.61x = 8,742,816,654.35
  5. Step 5: Solve for x
    x = 8,742,816,654.35/129,325.61
  6. Step 6: Final answer
    x = 67,603.13

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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.