Home / 150,836.76-208,237.86-103,160.16

Finding the Fourth Proportional to 150,836.76, 208,237.86 and 103,160.16

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Solution

The fourth proportional to 150,836.76, 208,237.86 and 103,160.16 is: 142,417.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,836.76 : 208,237.86 = 103,160.16 : x
  2. Step 2: Convert to fraction form
    150,836.76/208,237.86 = 103,160.16/x
  3. Step 3: Cross multiply
    150,836.76x = 208,237.86 × 103,160.16
  4. Step 4: Simplify right side
    150,836.76x = 21,481,850,955.66
  5. Step 5: Solve for x
    x = 21,481,850,955.66/150,836.76
  6. Step 6: Final answer
    x = 142,417.88

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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.