Home / 118,489.42-163,515.24-64,041.52

Finding the Fourth Proportional to 118,489.42, 163,515.24 and 64,041.52

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Solution

The fourth proportional to 118,489.42, 163,515.24 and 64,041.52 is: 88,377.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,489.42 : 163,515.24 = 64,041.52 : x
  2. Step 2: Convert to fraction form
    118,489.42/163,515.24 = 64,041.52/x
  3. Step 3: Cross multiply
    118,489.42x = 163,515.24 × 64,041.52
  4. Step 4: Simplify right side
    118,489.42x = 10,471,764,512.76
  5. Step 5: Solve for x
    x = 10,471,764,512.76/118,489.42
  6. Step 6: Final answer
    x = 88,377.21

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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.