Home / 113,220.20-169,427.10-98,589.80

Finding the Fourth Proportional to 113,220.20, 169,427.10 and 98,589.80

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Solution

The fourth proportional to 113,220.20, 169,427.10 and 98,589.80 is: 147,533.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,220.20 : 169,427.10 = 98,589.80 : x
  2. Step 2: Convert to fraction form
    113,220.20/169,427.10 = 98,589.80/x
  3. Step 3: Cross multiply
    113,220.20x = 169,427.10 × 98,589.80
  4. Step 4: Simplify right side
    113,220.20x = 16,703,783,903.58
  5. Step 5: Solve for x
    x = 16,703,783,903.58/113,220.20
  6. Step 6: Final answer
    x = 147,533.60

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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.