Home / 108,453.30-162,570.60-49,331.40

Finding the Fourth Proportional to 108,453.30, 162,570.60 and 49,331.40

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Solution

The fourth proportional to 108,453.30, 162,570.60 and 49,331.40 is: 73,947.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,453.30 : 162,570.60 = 49,331.40 : x
  2. Step 2: Convert to fraction form
    108,453.30/162,570.60 = 49,331.40/x
  3. Step 3: Cross multiply
    108,453.30x = 162,570.60 × 49,331.40
  4. Step 4: Simplify right side
    108,453.30x = 8,019,835,296.84
  5. Step 5: Solve for x
    x = 8,019,835,296.84/108,453.30
  6. Step 6: Final answer
    x = 73,947.36

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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.