Home / 109,512.81-164,276.10-46,321.11

Finding the Fourth Proportional to 109,512.81, 164,276.10 and 46,321.11

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Solution

The fourth proportional to 109,512.81, 164,276.10 and 46,321.11 is: 69,484.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,512.81 : 164,276.10 = 46,321.11 : x
  2. Step 2: Convert to fraction form
    109,512.81/164,276.10 = 46,321.11/x
  3. Step 3: Cross multiply
    109,512.81x = 164,276.10 × 46,321.11
  4. Step 4: Simplify right side
    109,512.81x = 7,609,451,298.47
  5. Step 5: Solve for x
    x = 7,609,451,298.47/109,512.81
  6. Step 6: Final answer
    x = 69,484.58

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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.