Home / 85,220.03-127,830.02-22,890.53

Finding the Fourth Proportional to 85,220.03, 127,830.02 and 22,890.53

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Solution

The fourth proportional to 85,220.03, 127,830.02 and 22,890.53 is: 34,335.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,220.03 : 127,830.02 = 22,890.53 : x
  2. Step 2: Convert to fraction form
    85,220.03/127,830.02 = 22,890.53/x
  3. Step 3: Cross multiply
    85,220.03x = 127,830.02 × 22,890.53
  4. Step 4: Simplify right side
    85,220.03x = 2,926,097,112.83
  5. Step 5: Solve for x
    x = 2,926,097,112.83/85,220.03
  6. Step 6: Final answer
    x = 34,335.79

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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.