Home / 125,386.69-173,033.61-71,672.86

Finding the Fourth Proportional to 125,386.69, 173,033.61 and 71,672.86

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Solution

The fourth proportional to 125,386.69, 173,033.61 and 71,672.86 is: 98,908.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,386.69 : 173,033.61 = 71,672.86 : x
  2. Step 2: Convert to fraction form
    125,386.69/173,033.61 = 71,672.86/x
  3. Step 3: Cross multiply
    125,386.69x = 173,033.61 × 71,672.86
  4. Step 4: Simplify right side
    125,386.69x = 12,401,813,704.82
  5. Step 5: Solve for x
    x = 12,401,813,704.82/125,386.69
  6. Step 6: Final answer
    x = 98,908.53

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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.