Home / 113,383.20-170,092.80-38,510.40

Finding the Fourth Proportional to 113,383.20, 170,092.80 and 38,510.40

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Solution

The fourth proportional to 113,383.20, 170,092.80 and 38,510.40 is: 57,771.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,383.20 : 170,092.80 = 38,510.40 : x
  2. Step 2: Convert to fraction form
    113,383.20/170,092.80 = 38,510.40/x
  3. Step 3: Cross multiply
    113,383.20x = 170,092.80 × 38,510.40
  4. Step 4: Simplify right side
    113,383.20x = 6,550,341,765.12
  5. Step 5: Solve for x
    x = 6,550,341,765.12/113,383.20
  6. Step 6: Final answer
    x = 57,771.71

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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.