Home / 140,048.80-210,086.26-55,788.55

Finding the Fourth Proportional to 140,048.80, 210,086.26 and 55,788.55

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Solution

The fourth proportional to 140,048.80, 210,086.26 and 55,788.55 is: 83,688.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,048.80 : 210,086.26 = 55,788.55 : x
  2. Step 2: Convert to fraction form
    140,048.80/210,086.26 = 55,788.55/x
  3. Step 3: Cross multiply
    140,048.80x = 210,086.26 × 55,788.55
  4. Step 4: Simplify right side
    140,048.80x = 11,720,407,155.64
  5. Step 5: Solve for x
    x = 11,720,407,155.64/140,048.80
  6. Step 6: Final answer
    x = 83,688.02

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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.