Home / 169,994.24-254,991-80,977.76

Finding the Fourth Proportional to 169,994.24, 254,991 and 80,977.76

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Solution

The fourth proportional to 169,994.24, 254,991 and 80,977.76 is: 121,466.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,994.24 : 254,991 = 80,977.76 : x
  2. Step 2: Convert to fraction form
    169,994.24/254,991 = 80,977.76/x
  3. Step 3: Cross multiply
    169,994.24x = 254,991 × 80,977.76
  4. Step 4: Simplify right side
    169,994.24x = 20,648,600,000.16
  5. Step 5: Solve for x
    x = 20,648,600,000.16/169,994.24
  6. Step 6: Final answer
    x = 121,466.47

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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.