Home / 113,220.40-169,636.20-73,757.20

Finding the Fourth Proportional to 113,220.40, 169,636.20 and 73,757.20

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Solution

The fourth proportional to 113,220.40, 169,636.20 and 73,757.20 is: 110,509.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,220.40 : 169,636.20 = 73,757.20 : x
  2. Step 2: Convert to fraction form
    113,220.40/169,636.20 = 73,757.20/x
  3. Step 3: Cross multiply
    113,220.40x = 169,636.20 × 73,757.20
  4. Step 4: Simplify right side
    113,220.40x = 12,511,891,130.64
  5. Step 5: Solve for x
    x = 12,511,891,130.64/113,220.40
  6. Step 6: Final answer
    x = 110,509.16

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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.