Home / 203,018.95-304,423.49-89,120.14

Finding the Fourth Proportional to 203,018.95, 304,423.49 and 89,120.14

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Solution

The fourth proportional to 203,018.95, 304,423.49 and 89,120.14 is: 133,634.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,018.95 : 304,423.49 = 89,120.14 : x
  2. Step 2: Convert to fraction form
    203,018.95/304,423.49 = 89,120.14/x
  3. Step 3: Cross multiply
    203,018.95x = 304,423.49 × 89,120.14
  4. Step 4: Simplify right side
    203,018.95x = 27,130,262,080.37
  5. Step 5: Solve for x
    x = 27,130,262,080.37/203,018.95
  6. Step 6: Final answer
    x = 133,634.14

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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.