Home / 251,623.80-377,438.64-99,858.12

Finding the Fourth Proportional to 251,623.80, 377,438.64 and 99,858.12

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Solution

The fourth proportional to 251,623.80, 377,438.64 and 99,858.12 is: 149,788.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,623.80 : 377,438.64 = 99,858.12 : x
  2. Step 2: Convert to fraction form
    251,623.80/377,438.64 = 99,858.12/x
  3. Step 3: Cross multiply
    251,623.80x = 377,438.64 × 99,858.12
  4. Step 4: Simplify right side
    251,623.80x = 37,690,313,005.76
  5. Step 5: Solve for x
    x = 37,690,313,005.76/251,623.80
  6. Step 6: Final answer
    x = 149,788.35

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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.