Home / 150,573.88-208,036.02-128,149.84

Finding the Fourth Proportional to 150,573.88, 208,036.02 and 128,149.84

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Solution

The fourth proportional to 150,573.88, 208,036.02 and 128,149.84 is: 177,054.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,573.88 : 208,036.02 = 128,149.84 : x
  2. Step 2: Convert to fraction form
    150,573.88/208,036.02 = 128,149.84/x
  3. Step 3: Cross multiply
    150,573.88x = 208,036.02 × 128,149.84
  4. Step 4: Simplify right side
    150,573.88x = 26,659,782,997.61
  5. Step 5: Solve for x
    x = 26,659,782,997.61/150,573.88
  6. Step 6: Final answer
    x = 177,054.50

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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.