Home / 161,601.41-242,402.22-77,341.77

Finding the Fourth Proportional to 161,601.41, 242,402.22 and 77,341.77

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Solution

The fourth proportional to 161,601.41, 242,402.22 and 77,341.77 is: 116,012.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,601.41 : 242,402.22 = 77,341.77 : x
  2. Step 2: Convert to fraction form
    161,601.41/242,402.22 = 77,341.77/x
  3. Step 3: Cross multiply
    161,601.41x = 242,402.22 × 77,341.77
  4. Step 4: Simplify right side
    161,601.41x = 18,747,816,746.73
  5. Step 5: Solve for x
    x = 18,747,816,746.73/161,601.41
  6. Step 6: Final answer
    x = 116,012.70

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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.