Home / 118,886.76-178,331.22-51,406.20

Finding the Fourth Proportional to 118,886.76, 178,331.22 and 51,406.20

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Solution

The fourth proportional to 118,886.76, 178,331.22 and 51,406.20 is: 77,109.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,886.76 : 178,331.22 = 51,406.20 : x
  2. Step 2: Convert to fraction form
    118,886.76/178,331.22 = 51,406.20/x
  3. Step 3: Cross multiply
    118,886.76x = 178,331.22 × 51,406.20
  4. Step 4: Simplify right side
    118,886.76x = 9,167,330,361.56
  5. Step 5: Solve for x
    x = 9,167,330,361.56/118,886.76
  6. Step 6: Final answer
    x = 77,109.77

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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.