Home / 113,430.30-170,145.45-79,604.70

Finding the Fourth Proportional to 113,430.30, 170,145.45 and 79,604.70

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Solution

The fourth proportional to 113,430.30, 170,145.45 and 79,604.70 is: 119,407.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,430.30 : 170,145.45 = 79,604.70 : x
  2. Step 2: Convert to fraction form
    113,430.30/170,145.45 = 79,604.70/x
  3. Step 3: Cross multiply
    113,430.30x = 170,145.45 × 79,604.70
  4. Step 4: Simplify right side
    113,430.30x = 13,544,377,503.62
  5. Step 5: Solve for x
    x = 13,544,377,503.62/113,430.30
  6. Step 6: Final answer
    x = 119,407.05

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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.