Home / 109,176.77-162,815.41-97,081.31

Finding the Fourth Proportional to 109,176.77, 162,815.41 and 97,081.31

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Solution

The fourth proportional to 109,176.77, 162,815.41 and 97,081.31 is: 144,777.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,176.77 : 162,815.41 = 97,081.31 : x
  2. Step 2: Convert to fraction form
    109,176.77/162,815.41 = 97,081.31/x
  3. Step 3: Cross multiply
    109,176.77x = 162,815.41 × 97,081.31
  4. Step 4: Simplify right side
    109,176.77x = 15,806,333,290.99
  5. Step 5: Solve for x
    x = 15,806,333,290.99/109,176.77
  6. Step 6: Final answer
    x = 144,777.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.