Home / 251,837.80-377,756.70-141,015.40

Finding the Fourth Proportional to 251,837.80, 377,756.70 and 141,015.40

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Solution

The fourth proportional to 251,837.80, 377,756.70 and 141,015.40 is: 211,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,837.80 : 377,756.70 = 141,015.40 : x
  2. Step 2: Convert to fraction form
    251,837.80/377,756.70 = 141,015.40/x
  3. Step 3: Cross multiply
    251,837.80x = 377,756.70 × 141,015.40
  4. Step 4: Simplify right side
    251,837.80x = 53,269,512,153.18
  5. Step 5: Solve for x
    x = 53,269,512,153.18/251,837.80
  6. Step 6: Final answer
    x = 211,523.10

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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.