Home / 109,387.80-164,081.70-102,006.68

Finding the Fourth Proportional to 109,387.80, 164,081.70 and 102,006.68

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Solution

The fourth proportional to 109,387.80, 164,081.70 and 102,006.68 is: 153,010.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,387.80 : 164,081.70 = 102,006.68 : x
  2. Step 2: Convert to fraction form
    109,387.80/164,081.70 = 102,006.68/x
  3. Step 3: Cross multiply
    109,387.80x = 164,081.70 × 102,006.68
  4. Step 4: Simplify right side
    109,387.80x = 16,737,429,465.76
  5. Step 5: Solve for x
    x = 16,737,429,465.76/109,387.80
  6. Step 6: Final answer
    x = 153,010.02

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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.