Home / 147,169.53-203,121.95-83,513.25

Finding the Fourth Proportional to 147,169.53, 203,121.95 and 83,513.25

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Solution

The fourth proportional to 147,169.53, 203,121.95 and 83,513.25 is: 115,264.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,169.53 : 203,121.95 = 83,513.25 : x
  2. Step 2: Convert to fraction form
    147,169.53/203,121.95 = 83,513.25/x
  3. Step 3: Cross multiply
    147,169.53x = 203,121.95 × 83,513.25
  4. Step 4: Simplify right side
    147,169.53x = 16,963,373,773.27
  5. Step 5: Solve for x
    x = 16,963,373,773.27/147,169.53
  6. Step 6: Final answer
    x = 115,264.17

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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.