Home / 125,204.76-187,747.74-72,630.36

Finding the Fourth Proportional to 125,204.76, 187,747.74 and 72,630.36

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Solution

The fourth proportional to 125,204.76, 187,747.74 and 72,630.36 is: 108,911.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,204.76 : 187,747.74 = 72,630.36 : x
  2. Step 2: Convert to fraction form
    125,204.76/187,747.74 = 72,630.36/x
  3. Step 3: Cross multiply
    125,204.76x = 187,747.74 × 72,630.36
  4. Step 4: Simplify right side
    125,204.76x = 13,636,185,945.39
  5. Step 5: Solve for x
    x = 13,636,185,945.39/125,204.76
  6. Step 6: Final answer
    x = 108,911.08

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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.