Home / 109,398.60-164,127.06-39,278.52

Finding the Fourth Proportional to 109,398.60, 164,127.06 and 39,278.52

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Solution

The fourth proportional to 109,398.60, 164,127.06 and 39,278.52 is: 58,928.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,398.60 : 164,127.06 = 39,278.52 : x
  2. Step 2: Convert to fraction form
    109,398.60/164,127.06 = 39,278.52/x
  3. Step 3: Cross multiply
    109,398.60x = 164,127.06 × 39,278.52
  4. Step 4: Simplify right side
    109,398.60x = 6,446,668,008.75
  5. Step 5: Solve for x
    x = 6,446,668,008.75/109,398.60
  6. Step 6: Final answer
    x = 58,928.25

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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.