Home / 110,117.10-165,175.65-97,869.90

Finding the Fourth Proportional to 110,117.10, 165,175.65 and 97,869.90

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Solution

The fourth proportional to 110,117.10, 165,175.65 and 97,869.90 is: 146,804.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,117.10 : 165,175.65 = 97,869.90 : x
  2. Step 2: Convert to fraction form
    110,117.10/165,175.65 = 97,869.90/x
  3. Step 3: Cross multiply
    110,117.10x = 165,175.65 × 97,869.90
  4. Step 4: Simplify right side
    110,117.10x = 16,165,724,347.94
  5. Step 5: Solve for x
    x = 16,165,724,347.94/110,117.10
  6. Step 6: Final answer
    x = 146,804.85

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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.