Home / 108,421.54-162,538.75-52,184.25

Finding the Fourth Proportional to 108,421.54, 162,538.75 and 52,184.25

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Solution

The fourth proportional to 108,421.54, 162,538.75 and 52,184.25 is: 78,231.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,421.54 : 162,538.75 = 52,184.25 : x
  2. Step 2: Convert to fraction form
    108,421.54/162,538.75 = 52,184.25/x
  3. Step 3: Cross multiply
    108,421.54x = 162,538.75 × 52,184.25
  4. Step 4: Simplify right side
    108,421.54x = 8,481,962,829.92
  5. Step 5: Solve for x
    x = 8,481,962,829.92/108,421.54
  6. Step 6: Final answer
    x = 78,231.35

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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.