Home / 110,334.20-165,569.70-57,781.40

Finding the Fourth Proportional to 110,334.20, 165,569.70 and 57,781.40

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Solution

The fourth proportional to 110,334.20, 165,569.70 and 57,781.40 is: 86,707.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,334.20 : 165,569.70 = 57,781.40 : x
  2. Step 2: Convert to fraction form
    110,334.20/165,569.70 = 57,781.40/x
  3. Step 3: Cross multiply
    110,334.20x = 165,569.70 × 57,781.40
  4. Step 4: Simplify right side
    110,334.20x = 9,566,849,063.58
  5. Step 5: Solve for x
    x = 9,566,849,063.58/110,334.20
  6. Step 6: Final answer
    x = 86,707.92

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1.5x scale

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.