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Finding the Fourth Proportional to 133,820.20, 200,730.30 and 45,044.20

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Solution

The fourth proportional to 133,820.20, 200,730.30 and 45,044.20 is: 67,566.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,820.20 : 200,730.30 = 45,044.20 : x
  2. Step 2: Convert to fraction form
    133,820.20/200,730.30 = 45,044.20/x
  3. Step 3: Cross multiply
    133,820.20x = 200,730.30 × 45,044.20
  4. Step 4: Simplify right side
    133,820.20x = 9,041,735,779.26
  5. Step 5: Solve for x
    x = 9,041,735,779.26/133,820.20
  6. Step 6: Final answer
    x = 67,566.30

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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.