Home / 161,081.21-241,603.02-42,761.76

Finding the Fourth Proportional to 161,081.21, 241,603.02 and 42,761.76

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Solution

The fourth proportional to 161,081.21, 241,603.02 and 42,761.76 is: 64,137.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,081.21 : 241,603.02 = 42,761.76 : x
  2. Step 2: Convert to fraction form
    161,081.21/241,603.02 = 42,761.76/x
  3. Step 3: Cross multiply
    161,081.21x = 241,603.02 × 42,761.76
  4. Step 4: Simplify right side
    161,081.21x = 10,331,370,356.52
  5. Step 5: Solve for x
    x = 10,331,370,356.52/161,081.21
  6. Step 6: Final answer
    x = 64,137.65

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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.