Home / 151,022.25-208,405.37-83,038.75

Finding the Fourth Proportional to 151,022.25, 208,405.37 and 83,038.75

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Solution

The fourth proportional to 151,022.25, 208,405.37 and 83,038.75 is: 114,590.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,022.25 : 208,405.37 = 83,038.75 : x
  2. Step 2: Convert to fraction form
    151,022.25/208,405.37 = 83,038.75/x
  3. Step 3: Cross multiply
    151,022.25x = 208,405.37 × 83,038.75
  4. Step 4: Simplify right side
    151,022.25x = 17,305,721,547.33
  5. Step 5: Solve for x
    x = 17,305,721,547.33/151,022.25
  6. Step 6: Final answer
    x = 114,590.54

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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.