Home / 109,746.19-164,543.64-43,193.96

Finding the Fourth Proportional to 109,746.19, 164,543.64 and 43,193.96

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Solution

The fourth proportional to 109,746.19, 164,543.64 and 43,193.96 is: 64,761.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,746.19 : 164,543.64 = 43,193.96 : x
  2. Step 2: Convert to fraction form
    109,746.19/164,543.64 = 43,193.96/x
  3. Step 3: Cross multiply
    109,746.19x = 164,543.64 × 43,193.96
  4. Step 4: Simplify right side
    109,746.19x = 7,107,291,404.41
  5. Step 5: Solve for x
    x = 7,107,291,404.41/109,746.19
  6. Step 6: Final answer
    x = 64,761.17

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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.