Home / 108,185.70-162,278.52-45,004.62

Finding the Fourth Proportional to 108,185.70, 162,278.52 and 45,004.62

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Solution

The fourth proportional to 108,185.70, 162,278.52 and 45,004.62 is: 67,506.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,185.70 : 162,278.52 = 45,004.62 : x
  2. Step 2: Convert to fraction form
    108,185.70/162,278.52 = 45,004.62/x
  3. Step 3: Cross multiply
    108,185.70x = 162,278.52 × 45,004.62
  4. Step 4: Simplify right side
    108,185.70x = 7,303,283,126.76
  5. Step 5: Solve for x
    x = 7,303,283,126.76/108,185.70
  6. Step 6: Final answer
    x = 67,506.92

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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.