Home / 203,017.19-304,420.86-89,118.38

Finding the Fourth Proportional to 203,017.19, 304,420.86 and 89,118.38

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Solution

The fourth proportional to 203,017.19, 304,420.86 and 89,118.38 is: 133,631.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,017.19 : 304,420.86 = 89,118.38 : x
  2. Step 2: Convert to fraction form
    203,017.19/304,420.86 = 89,118.38/x
  3. Step 3: Cross multiply
    203,017.19x = 304,420.86 × 89,118.38
  4. Step 4: Simplify right side
    203,017.19x = 27,129,494,642.46
  5. Step 5: Solve for x
    x = 27,129,494,642.46/203,017.19
  6. Step 6: Final answer
    x = 133,631.51

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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.