Home / 122,117.10-183,175.65-109,869.90

Finding the Fourth Proportional to 122,117.10, 183,175.65 and 109,869.90

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Solution

The fourth proportional to 122,117.10, 183,175.65 and 109,869.90 is: 164,804.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,117.10 : 183,175.65 = 109,869.90 : x
  2. Step 2: Convert to fraction form
    122,117.10/183,175.65 = 109,869.90/x
  3. Step 3: Cross multiply
    122,117.10x = 183,175.65 × 109,869.90
  4. Step 4: Simplify right side
    122,117.10x = 20,125,490,347.94
  5. Step 5: Solve for x
    x = 20,125,490,347.94/122,117.10
  6. Step 6: Final answer
    x = 164,804.85

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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.