Home / 154,427.94-231,688.95-75,530.70

Finding the Fourth Proportional to 154,427.94, 231,688.95 and 75,530.70

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Solution

The fourth proportional to 154,427.94, 231,688.95 and 75,530.70 is: 113,319.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,427.94 : 231,688.95 = 75,530.70 : x
  2. Step 2: Convert to fraction form
    154,427.94/231,688.95 = 75,530.70/x
  3. Step 3: Cross multiply
    154,427.94x = 231,688.95 × 75,530.70
  4. Step 4: Simplify right side
    154,427.94x = 17,499,628,575.77
  5. Step 5: Solve for x
    x = 17,499,628,575.77/154,427.94
  6. Step 6: Final answer
    x = 113,319.06

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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.