Home / 151,042.64-208,360.32-90,584.24

Finding the Fourth Proportional to 151,042.64, 208,360.32 and 90,584.24

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Solution

The fourth proportional to 151,042.64, 208,360.32 and 90,584.24 is: 124,959.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,042.64 : 208,360.32 = 90,584.24 : x
  2. Step 2: Convert to fraction form
    151,042.64/208,360.32 = 90,584.24/x
  3. Step 3: Cross multiply
    151,042.64x = 208,360.32 × 90,584.24
  4. Step 4: Simplify right side
    151,042.64x = 18,874,161,233.36
  5. Step 5: Solve for x
    x = 18,874,161,233.36/151,042.64
  6. Step 6: Final answer
    x = 124,959.16

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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.