Home / 109,656.54-164,490.68-34,782.36

Finding the Fourth Proportional to 109,656.54, 164,490.68 and 34,782.36

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Solution

The fourth proportional to 109,656.54, 164,490.68 and 34,782.36 is: 52,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,656.54 : 164,490.68 = 34,782.36 : x
  2. Step 2: Convert to fraction form
    109,656.54/164,490.68 = 34,782.36/x
  3. Step 3: Cross multiply
    109,656.54x = 164,490.68 × 34,782.36
  4. Step 4: Simplify right side
    109,656.54x = 5,721,374,048.40
  5. Step 5: Solve for x
    x = 5,721,374,048.40/109,656.54
  6. Step 6: Final answer
    x = 52,175.40

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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.