Home / 118,046.33-162,903.95-64,331.36

Finding the Fourth Proportional to 118,046.33, 162,903.95 and 64,331.36

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Solution

The fourth proportional to 118,046.33, 162,903.95 and 64,331.36 is: 88,777.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,046.33 : 162,903.95 = 64,331.36 : x
  2. Step 2: Convert to fraction form
    118,046.33/162,903.95 = 64,331.36/x
  3. Step 3: Cross multiply
    118,046.33x = 162,903.95 × 64,331.36
  4. Step 4: Simplify right side
    118,046.33x = 10,479,832,652.87
  5. Step 5: Solve for x
    x = 10,479,832,652.87/118,046.33
  6. Step 6: Final answer
    x = 88,777.28

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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.