Home / 140,127.74-210,274.65-131,261.68

Finding the Fourth Proportional to 140,127.74, 210,274.65 and 131,261.68

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Solution

The fourth proportional to 140,127.74, 210,274.65 and 131,261.68 is: 196,970.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,127.74 : 210,274.65 = 131,261.68 : x
  2. Step 2: Convert to fraction form
    140,127.74/210,274.65 = 131,261.68/x
  3. Step 3: Cross multiply
    140,127.74x = 210,274.65 × 131,261.68
  4. Step 4: Simplify right side
    140,127.74x = 27,601,003,164.10
  5. Step 5: Solve for x
    x = 27,601,003,164.10/140,127.74
  6. Step 6: Final answer
    x = 196,970.31

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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.