Home / 136,220.67-187,996.82-75,790.35

Finding the Fourth Proportional to 136,220.67, 187,996.82 and 75,790.35

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Solution

The fourth proportional to 136,220.67, 187,996.82 and 75,790.35 is: 104,597.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,220.67 : 187,996.82 = 75,790.35 : x
  2. Step 2: Convert to fraction form
    136,220.67/187,996.82 = 75,790.35/x
  3. Step 3: Cross multiply
    136,220.67x = 187,996.82 × 75,790.35
  4. Step 4: Simplify right side
    136,220.67x = 14,248,344,407.74
  5. Step 5: Solve for x
    x = 14,248,344,407.74/136,220.67
  6. Step 6: Final answer
    x = 104,597.52

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1.5x scale

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.