Home / 113,749.80-170,624.70-112,000.20

Finding the Fourth Proportional to 113,749.80, 170,624.70 and 112,000.20

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Solution

The fourth proportional to 113,749.80, 170,624.70 and 112,000.20 is: 168,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,749.80 : 170,624.70 = 112,000.20 : x
  2. Step 2: Convert to fraction form
    113,749.80/170,624.70 = 112,000.20/x
  3. Step 3: Cross multiply
    113,749.80x = 170,624.70 × 112,000.20
  4. Step 4: Simplify right side
    113,749.80x = 19,110,000,524.94
  5. Step 5: Solve for x
    x = 19,110,000,524.94/113,749.80
  6. Step 6: Final answer
    x = 168,000.30

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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.