Home / 151,550.36-209,134.92-83,567.30

Finding the Fourth Proportional to 151,550.36, 209,134.92 and 83,567.30

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Solution

The fourth proportional to 151,550.36, 209,134.92 and 83,567.30 is: 115,320.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,550.36 : 209,134.92 = 83,567.30 : x
  2. Step 2: Convert to fraction form
    151,550.36/209,134.92 = 83,567.30/x
  3. Step 3: Cross multiply
    151,550.36x = 209,134.92 × 83,567.30
  4. Step 4: Simplify right side
    151,550.36x = 17,476,840,600.12
  5. Step 5: Solve for x
    x = 17,476,840,600.12/151,550.36
  6. Step 6: Final answer
    x = 115,320.35

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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.