Home / 151,742.24-209,404.31-83,759.24

Finding the Fourth Proportional to 151,742.24, 209,404.31 and 83,759.24

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Solution

The fourth proportional to 151,742.24, 209,404.31 and 83,759.24 is: 115,587.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,742.24 : 209,404.31 = 83,759.24 : x
  2. Step 2: Convert to fraction form
    151,742.24/209,404.31 = 83,759.24/x
  3. Step 3: Cross multiply
    151,742.24x = 209,404.31 × 83,759.24
  4. Step 4: Simplify right side
    151,742.24x = 17,539,544,392.51
  5. Step 5: Solve for x
    x = 17,539,544,392.51/151,742.24
  6. Step 6: Final answer
    x = 115,587.75

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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.