Home / 108,317.40-162,393.48-65,613.84

Finding the Fourth Proportional to 108,317.40, 162,393.48 and 65,613.84

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Solution

The fourth proportional to 108,317.40, 162,393.48 and 65,613.84 is: 98,370.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,317.40 : 162,393.48 = 65,613.84 : x
  2. Step 2: Convert to fraction form
    108,317.40/162,393.48 = 65,613.84/x
  3. Step 3: Cross multiply
    108,317.40x = 162,393.48 × 65,613.84
  4. Step 4: Simplify right side
    108,317.40x = 10,655,259,813.76
  5. Step 5: Solve for x
    x = 10,655,259,813.76/108,317.40
  6. Step 6: Final answer
    x = 98,370.71

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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.