Home / 123,622.53-170,603.19-69,916.29

Finding the Fourth Proportional to 123,622.53, 170,603.19 and 69,916.29

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Solution

The fourth proportional to 123,622.53, 170,603.19 and 69,916.29 is: 96,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,622.53 : 170,603.19 = 69,916.29 : x
  2. Step 2: Convert to fraction form
    123,622.53/170,603.19 = 69,916.29/x
  3. Step 3: Cross multiply
    123,622.53x = 170,603.19 × 69,916.29
  4. Step 4: Simplify right side
    123,622.53x = 11,927,942,106.97
  5. Step 5: Solve for x
    x = 11,927,942,106.97/123,622.53
  6. Step 6: Final answer
    x = 96,486.80

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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.