Home / 162,006.18-242,998.47-77,826.66

Finding the Fourth Proportional to 162,006.18, 242,998.47 and 77,826.66

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Solution

The fourth proportional to 162,006.18, 242,998.47 and 77,826.66 is: 116,734.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,006.18 : 242,998.47 = 77,826.66 : x
  2. Step 2: Convert to fraction form
    162,006.18/242,998.47 = 77,826.66/x
  3. Step 3: Cross multiply
    162,006.18x = 242,998.47 × 77,826.66
  4. Step 4: Simplify right side
    162,006.18x = 18,911,759,305.21
  5. Step 5: Solve for x
    x = 18,911,759,305.21/162,006.18
  6. Step 6: Final answer
    x = 116,734.80

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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.