Home / 141,127.96-211,740.54-70,949.56

Finding the Fourth Proportional to 141,127.96, 211,740.54 and 70,949.56

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Solution

The fourth proportional to 141,127.96, 211,740.54 and 70,949.56 is: 106,448.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,127.96 : 211,740.54 = 70,949.56 : x
  2. Step 2: Convert to fraction form
    141,127.96/211,740.54 = 70,949.56/x
  3. Step 3: Cross multiply
    141,127.96x = 211,740.54 × 70,949.56
  4. Step 4: Simplify right side
    141,127.96x = 15,022,898,147.16
  5. Step 5: Solve for x
    x = 15,022,898,147.16/141,127.96
  6. Step 6: Final answer
    x = 106,448.77

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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.