Home / 118,454.75-163,467.56-64,739.76

Finding the Fourth Proportional to 118,454.75, 163,467.56 and 64,739.76

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Solution

The fourth proportional to 118,454.75, 163,467.56 and 64,739.76 is: 89,340.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,454.75 : 163,467.56 = 64,739.76 : x
  2. Step 2: Convert to fraction form
    118,454.75/163,467.56 = 64,739.76/x
  3. Step 3: Cross multiply
    118,454.75x = 163,467.56 × 64,739.76
  4. Step 4: Simplify right side
    118,454.75x = 10,582,850,278.49
  5. Step 5: Solve for x
    x = 10,582,850,278.49/118,454.75
  6. Step 6: Final answer
    x = 89,340.87

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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.