Home / 148,136.94-204,428.85-83,619.76

Finding the Fourth Proportional to 148,136.94, 204,428.85 and 83,619.76

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Solution

The fourth proportional to 148,136.94, 204,428.85 and 83,619.76 is: 115,395.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,136.94 : 204,428.85 = 83,619.76 : x
  2. Step 2: Convert to fraction form
    148,136.94/204,428.85 = 83,619.76/x
  3. Step 3: Cross multiply
    148,136.94x = 204,428.85 × 83,619.76
  4. Step 4: Simplify right side
    148,136.94x = 17,094,290,863.00
  5. Step 5: Solve for x
    x = 17,094,290,863.00/148,136.94
  6. Step 6: Final answer
    x = 115,395.19

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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.