Home / 151,469.28-209,026.53-83,486.25

Finding the Fourth Proportional to 151,469.28, 209,026.53 and 83,486.25

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Solution

The fourth proportional to 151,469.28, 209,026.53 and 83,486.25 is: 115,210.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,469.28 : 209,026.53 = 83,486.25 : x
  2. Step 2: Convert to fraction form
    151,469.28/209,026.53 = 83,486.25/x
  3. Step 3: Cross multiply
    151,469.28x = 209,026.53 × 83,486.25
  4. Step 4: Simplify right side
    151,469.28x = 17,450,841,140.21
  5. Step 5: Solve for x
    x = 17,450,841,140.21/151,469.28
  6. Step 6: Final answer
    x = 115,210.43

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1.5x scale

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.