Home / 203,030.06-304,607.38-90,804.68

Finding the Fourth Proportional to 203,030.06, 304,607.38 and 90,804.68

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Solution

The fourth proportional to 203,030.06, 304,607.38 and 90,804.68 is: 136,234.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,030.06 : 304,607.38 = 90,804.68 : x
  2. Step 2: Convert to fraction form
    203,030.06/304,607.38 = 90,804.68/x
  3. Step 3: Cross multiply
    203,030.06x = 304,607.38 × 90,804.68
  4. Step 4: Simplify right side
    203,030.06x = 27,659,775,666.54
  5. Step 5: Solve for x
    x = 27,659,775,666.54/203,030.06
  6. Step 6: Final answer
    x = 136,234.88

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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.