Home / 108,053.20-161,982.60-70,631.20

Finding the Fourth Proportional to 108,053.20, 161,982.60 and 70,631.20

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Solution

The fourth proportional to 108,053.20, 161,982.60 and 70,631.20 is: 105,883.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,053.20 : 161,982.60 = 70,631.20 : x
  2. Step 2: Convert to fraction form
    108,053.20/161,982.60 = 70,631.20/x
  3. Step 3: Cross multiply
    108,053.20x = 161,982.60 × 70,631.20
  4. Step 4: Simplify right side
    108,053.20x = 11,441,025,417.12
  5. Step 5: Solve for x
    x = 11,441,025,417.12/108,053.20
  6. Step 6: Final answer
    x = 105,883.26

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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.