Home / 159,564.80-239,347.20-131,024.45

Finding the Fourth Proportional to 159,564.80, 239,347.20 and 131,024.45

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Solution

The fourth proportional to 159,564.80, 239,347.20 and 131,024.45 is: 196,536.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,564.80 : 239,347.20 = 131,024.45 : x
  2. Step 2: Convert to fraction form
    159,564.80/239,347.20 = 131,024.45/x
  3. Step 3: Cross multiply
    159,564.80x = 239,347.20 × 131,024.45
  4. Step 4: Simplify right side
    159,564.80x = 31,360,335,239.04
  5. Step 5: Solve for x
    x = 31,360,335,239.04/159,564.80
  6. Step 6: Final answer
    x = 196,536.68

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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.