Home / 160,031.43-240,197.81-81,202.23

Finding the Fourth Proportional to 160,031.43, 240,197.81 and 81,202.23

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Solution

The fourth proportional to 160,031.43, 240,197.81 and 81,202.23 is: 121,879.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,031.43 : 240,197.81 = 81,202.23 : x
  2. Step 2: Convert to fraction form
    160,031.43/240,197.81 = 81,202.23/x
  3. Step 3: Cross multiply
    160,031.43x = 240,197.81 × 81,202.23
  4. Step 4: Simplify right side
    160,031.43x = 19,504,597,407.11
  5. Step 5: Solve for x
    x = 19,504,597,407.11/160,031.43
  6. Step 6: Final answer
    x = 121,879.79

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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.