Home / 140,016.90-209,892.54-55,828.80

Finding the Fourth Proportional to 140,016.90, 209,892.54 and 55,828.80

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Solution

The fourth proportional to 140,016.90, 209,892.54 and 55,828.80 is: 83,690.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,016.90 : 209,892.54 = 55,828.80 : x
  2. Step 2: Convert to fraction form
    140,016.90/209,892.54 = 55,828.80/x
  3. Step 3: Cross multiply
    140,016.90x = 209,892.54 × 55,828.80
  4. Step 4: Simplify right side
    140,016.90x = 11,718,048,637.15
  5. Step 5: Solve for x
    x = 11,718,048,637.15/140,016.90
  6. Step 6: Final answer
    x = 83,690.24

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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.