Home / 108,314.78-162,336.60-52,139.84

Finding the Fourth Proportional to 108,314.78, 162,336.60 and 52,139.84

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Solution

The fourth proportional to 108,314.78, 162,336.60 and 52,139.84 is: 78,144.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,314.78 : 162,336.60 = 52,139.84 : x
  2. Step 2: Convert to fraction form
    108,314.78/162,336.60 = 52,139.84/x
  3. Step 3: Cross multiply
    108,314.78x = 162,336.60 × 52,139.84
  4. Step 4: Simplify right side
    108,314.78x = 8,464,203,538.46
  5. Step 5: Solve for x
    x = 8,464,203,538.46/108,314.78
  6. Step 6: Final answer
    x = 78,144.50

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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.