Home / 151,554.16-209,182.26-103,236.04

Finding the Fourth Proportional to 151,554.16, 209,182.26 and 103,236.04

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Solution

The fourth proportional to 151,554.16, 209,182.26 and 103,236.04 is: 142,491.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,554.16 : 209,182.26 = 103,236.04 : x
  2. Step 2: Convert to fraction form
    151,554.16/209,182.26 = 103,236.04/x
  3. Step 3: Cross multiply
    151,554.16x = 209,182.26 × 103,236.04
  4. Step 4: Simplify right side
    151,554.16x = 21,595,148,160.65
  5. Step 5: Solve for x
    x = 21,595,148,160.65/151,554.16
  6. Step 6: Final answer
    x = 142,491.29

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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.