Home / 161,982.40-242,973.60-91,998.40

Finding the Fourth Proportional to 161,982.40, 242,973.60 and 91,998.40

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Solution

The fourth proportional to 161,982.40, 242,973.60 and 91,998.40 is: 137,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,982.40 : 242,973.60 = 91,998.40 : x
  2. Step 2: Convert to fraction form
    161,982.40/242,973.60 = 91,998.40/x
  3. Step 3: Cross multiply
    161,982.40x = 242,973.60 × 91,998.40
  4. Step 4: Simplify right side
    161,982.40x = 22,353,182,442.24
  5. Step 5: Solve for x
    x = 22,353,182,442.24/161,982.40
  6. Step 6: Final answer
    x = 137,997.60

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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.