Home / 159,756.57-220,462.56-88,137.18

Finding the Fourth Proportional to 159,756.57, 220,462.56 and 88,137.18

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Solution

The fourth proportional to 159,756.57, 220,462.56 and 88,137.18 is: 121,628.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,756.57 : 220,462.56 = 88,137.18 : x
  2. Step 2: Convert to fraction form
    159,756.57/220,462.56 = 88,137.18/x
  3. Step 3: Cross multiply
    159,756.57x = 220,462.56 × 88,137.18
  4. Step 4: Simplify right side
    159,756.57x = 19,430,948,333.98
  5. Step 5: Solve for x
    x = 19,430,948,333.98/159,756.57
  6. Step 6: Final answer
    x = 121,628.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.