Home / 210,923.60-315,991.68-140,852.12

Finding the Fourth Proportional to 210,923.60, 315,991.68 and 140,852.12

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Solution

The fourth proportional to 210,923.60, 315,991.68 and 140,852.12 is: 211,015.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,923.60 : 315,991.68 = 140,852.12 : x
  2. Step 2: Convert to fraction form
    210,923.60/315,991.68 = 140,852.12/x
  3. Step 3: Cross multiply
    210,923.60x = 315,991.68 × 140,852.12
  4. Step 4: Simplify right side
    210,923.60x = 44,508,098,030.36
  5. Step 5: Solve for x
    x = 44,508,098,030.36/210,923.60
  6. Step 6: Final answer
    x = 211,015.26

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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.