Home / 108,256.10-162,485.40-54,986.18

Finding the Fourth Proportional to 108,256.10, 162,485.40 and 54,986.18

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Solution

The fourth proportional to 108,256.10, 162,485.40 and 54,986.18 is: 82,530.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,256.10 : 162,485.40 = 54,986.18 : x
  2. Step 2: Convert to fraction form
    108,256.10/162,485.40 = 54,986.18/x
  3. Step 3: Cross multiply
    108,256.10x = 162,485.40 × 54,986.18
  4. Step 4: Simplify right side
    108,256.10x = 8,934,451,451.77
  5. Step 5: Solve for x
    x = 8,934,451,451.77/108,256.10
  6. Step 6: Final answer
    x = 82,530.70

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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.