Home / 108,283.46-162,316.15-45,138.54

Finding the Fourth Proportional to 108,283.46, 162,316.15 and 45,138.54

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Solution

The fourth proportional to 108,283.46, 162,316.15 and 45,138.54 is: 67,662.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,283.46 : 162,316.15 = 45,138.54 : x
  2. Step 2: Convert to fraction form
    108,283.46/162,316.15 = 45,138.54/x
  3. Step 3: Cross multiply
    108,283.46x = 162,316.15 × 45,138.54
  4. Step 4: Simplify right side
    108,283.46x = 7,326,714,779.16
  5. Step 5: Solve for x
    x = 7,326,714,779.16/108,283.46
  6. Step 6: Final answer
    x = 67,662.36

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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.