Home / 100,927.20-151,193.96-86,886.66

Finding the Fourth Proportional to 100,927.20, 151,193.96 and 86,886.66

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Solution

The fourth proportional to 100,927.20, 151,193.96 and 86,886.66 is: 130,160.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,927.20 : 151,193.96 = 86,886.66 : x
  2. Step 2: Convert to fraction form
    100,927.20/151,193.96 = 86,886.66/x
  3. Step 3: Cross multiply
    100,927.20x = 151,193.96 × 86,886.66
  4. Step 4: Simplify right side
    100,927.20x = 13,136,738,196.57
  5. Step 5: Solve for x
    x = 13,136,738,196.57/100,927.20
  6. Step 6: Final answer
    x = 130,160.53

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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.