Home / 113,003.10-169,504.65-83,478.60

Finding the Fourth Proportional to 113,003.10, 169,504.65 and 83,478.60

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Solution

The fourth proportional to 113,003.10, 169,504.65 and 83,478.60 is: 125,217.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,003.10 : 169,504.65 = 83,478.60 : x
  2. Step 2: Convert to fraction form
    113,003.10/169,504.65 = 83,478.60/x
  3. Step 3: Cross multiply
    113,003.10x = 169,504.65 × 83,478.60
  4. Step 4: Simplify right side
    113,003.10x = 14,150,010,875.49
  5. Step 5: Solve for x
    x = 14,150,010,875.49/113,003.10
  6. Step 6: Final answer
    x = 125,217.90

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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.