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Finding the Fourth Proportional to 109,952.10, 164,928.15 and 43,370.10

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Solution

The fourth proportional to 109,952.10, 164,928.15 and 43,370.10 is: 65,055.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,952.10 : 164,928.15 = 43,370.10 : x
  2. Step 2: Convert to fraction form
    109,952.10/164,928.15 = 43,370.10/x
  3. Step 3: Cross multiply
    109,952.10x = 164,928.15 × 43,370.10
  4. Step 4: Simplify right side
    109,952.10x = 7,152,950,358.32
  5. Step 5: Solve for x
    x = 7,152,950,358.32/109,952.10
  6. Step 6: Final answer
    x = 65,055.15

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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.