Home / 133,316.10-199,974.15-112,320.90

Finding the Fourth Proportional to 133,316.10, 199,974.15 and 112,320.90

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Solution

The fourth proportional to 133,316.10, 199,974.15 and 112,320.90 is: 168,481.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,316.10 : 199,974.15 = 112,320.90 : x
  2. Step 2: Convert to fraction form
    133,316.10/199,974.15 = 112,320.90/x
  3. Step 3: Cross multiply
    133,316.10x = 199,974.15 × 112,320.90
  4. Step 4: Simplify right side
    133,316.10x = 22,461,276,504.74
  5. Step 5: Solve for x
    x = 22,461,276,504.74/133,316.10
  6. Step 6: Final answer
    x = 168,481.35

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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.