Home / 108,171.02-162,147.08-51,928.94

Finding the Fourth Proportional to 108,171.02, 162,147.08 and 51,928.94

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Solution

The fourth proportional to 108,171.02, 162,147.08 and 51,928.94 is: 77,840.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,171.02 : 162,147.08 = 51,928.94 : x
  2. Step 2: Convert to fraction form
    108,171.02/162,147.08 = 51,928.94/x
  3. Step 3: Cross multiply
    108,171.02x = 162,147.08 × 51,928.94
  4. Step 4: Simplify right side
    108,171.02x = 8,420,125,988.50
  5. Step 5: Solve for x
    x = 8,420,125,988.50/108,171.02
  6. Step 6: Final answer
    x = 77,840.87

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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.