Home / 61,136.89-91,705.47-16,764.28

Finding the Fourth Proportional to 61,136.89, 91,705.47 and 16,764.28

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Solution

The fourth proportional to 61,136.89, 91,705.47 and 16,764.28 is: 25,146.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,136.89 : 91,705.47 = 16,764.28 : x
  2. Step 2: Convert to fraction form
    61,136.89/91,705.47 = 16,764.28/x
  3. Step 3: Cross multiply
    61,136.89x = 91,705.47 × 16,764.28
  4. Step 4: Simplify right side
    61,136.89x = 1,537,376,176.61
  5. Step 5: Solve for x
    x = 1,537,376,176.61/61,136.89
  6. Step 6: Final answer
    x = 25,146.46

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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.