Home / 251,941.76-377,910.30-102,146.46

Finding the Fourth Proportional to 251,941.76, 377,910.30 and 102,146.46

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Solution

The fourth proportional to 251,941.76, 377,910.30 and 102,146.46 is: 153,218.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,941.76 : 377,910.30 = 102,146.46 : x
  2. Step 2: Convert to fraction form
    251,941.76/377,910.30 = 102,146.46/x
  3. Step 3: Cross multiply
    251,941.76x = 377,910.30 × 102,146.46
  4. Step 4: Simplify right side
    251,941.76x = 38,602,199,342.54
  5. Step 5: Solve for x
    x = 38,602,199,342.54/251,941.76
  6. Step 6: Final answer
    x = 153,218.74

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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.