Home / 151,988.80-227,983.20-122,464.30

Finding the Fourth Proportional to 151,988.80, 227,983.20 and 122,464.30

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Solution

The fourth proportional to 151,988.80, 227,983.20 and 122,464.30 is: 183,696.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,988.80 : 227,983.20 = 122,464.30 : x
  2. Step 2: Convert to fraction form
    151,988.80/227,983.20 = 122,464.30/x
  3. Step 3: Cross multiply
    151,988.80x = 227,983.20 × 122,464.30
  4. Step 4: Simplify right side
    151,988.80x = 27,919,802,999.76
  5. Step 5: Solve for x
    x = 27,919,802,999.76/151,988.80
  6. Step 6: Final answer
    x = 183,696.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.