Home / 102,162.12-153,241.63-45,962.54

Finding the Fourth Proportional to 102,162.12, 153,241.63 and 45,962.54

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Solution

The fourth proportional to 102,162.12, 153,241.63 and 45,962.54 is: 68,943.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,162.12 : 153,241.63 = 45,962.54 : x
  2. Step 2: Convert to fraction form
    102,162.12/153,241.63 = 45,962.54/x
  3. Step 3: Cross multiply
    102,162.12x = 153,241.63 × 45,962.54
  4. Step 4: Simplify right side
    102,162.12x = 7,043,374,548.54
  5. Step 5: Solve for x
    x = 7,043,374,548.54/102,162.12
  6. Step 6: Final answer
    x = 68,943.11

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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.