Home / 251,509.15-377,266.76-99,743.50

Finding the Fourth Proportional to 251,509.15, 377,266.76 and 99,743.50

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Solution

The fourth proportional to 251,509.15, 377,266.76 and 99,743.50 is: 149,616.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,509.15 : 377,266.76 = 99,743.50 : x
  2. Step 2: Convert to fraction form
    251,509.15/377,266.76 = 99,743.50/x
  3. Step 3: Cross multiply
    251,509.15x = 377,266.76 × 99,743.50
  4. Step 4: Simplify right side
    251,509.15x = 37,629,904,691.01
  5. Step 5: Solve for x
    x = 37,629,904,691.01/251,509.15
  6. Step 6: Final answer
    x = 149,616.45

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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.