Home / 251,742.48-377,614.71-101,985.66

Finding the Fourth Proportional to 251,742.48, 377,614.71 and 101,985.66

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Solution

The fourth proportional to 251,742.48, 377,614.71 and 101,985.66 is: 152,978.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,742.48 : 377,614.71 = 101,985.66 : x
  2. Step 2: Convert to fraction form
    251,742.48/377,614.71 = 101,985.66/x
  3. Step 3: Cross multiply
    251,742.48x = 377,614.71 × 101,985.66
  4. Step 4: Simplify right side
    251,742.48x = 38,511,285,425.06
  5. Step 5: Solve for x
    x = 38,511,285,425.06/251,742.48
  6. Step 6: Final answer
    x = 152,978.89

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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.