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Finding the Fourth Proportional to 161,346.80, 241,559.40 and 99,138.80

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Solution

The fourth proportional to 161,346.80, 241,559.40 and 99,138.80 is: 148,425.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,346.80 : 241,559.40 = 99,138.80 : x
  2. Step 2: Convert to fraction form
    161,346.80/241,559.40 = 99,138.80/x
  3. Step 3: Cross multiply
    161,346.80x = 241,559.40 × 99,138.80
  4. Step 4: Simplify right side
    161,346.80x = 23,947,909,044.72
  5. Step 5: Solve for x
    x = 23,947,909,044.72/161,346.80
  6. Step 6: Final answer
    x = 148,425.06

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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.