Home / 147,338.18-203,326.71-80,270.18

Finding the Fourth Proportional to 147,338.18, 203,326.71 and 80,270.18

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Solution

The fourth proportional to 147,338.18, 203,326.71 and 80,270.18 is: 110,772.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,338.18 : 203,326.71 = 80,270.18 : x
  2. Step 2: Convert to fraction form
    147,338.18/203,326.71 = 80,270.18/x
  3. Step 3: Cross multiply
    147,338.18x = 203,326.71 × 80,270.18
  4. Step 4: Simplify right side
    147,338.18x = 16,321,071,610.51
  5. Step 5: Solve for x
    x = 16,321,071,610.51/147,338.18
  6. Step 6: Final answer
    x = 110,772.86

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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.