Home / 109,656.16-164,487.36-34,776.64

Finding the Fourth Proportional to 109,656.16, 164,487.36 and 34,776.64

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Solution

The fourth proportional to 109,656.16, 164,487.36 and 34,776.64 is: 52,165.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,656.16 : 164,487.36 = 34,776.64 : x
  2. Step 2: Convert to fraction form
    109,656.16/164,487.36 = 34,776.64/x
  3. Step 3: Cross multiply
    109,656.16x = 164,487.36 × 34,776.64
  4. Step 4: Simplify right side
    109,656.16x = 5,720,317,703.27
  5. Step 5: Solve for x
    x = 5,720,317,703.27/109,656.16
  6. Step 6: Final answer
    x = 52,165.95

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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.