Home / 113,816.20-170,724.30-38,911.45

Finding the Fourth Proportional to 113,816.20, 170,724.30 and 38,911.45

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Solution

The fourth proportional to 113,816.20, 170,724.30 and 38,911.45 is: 58,367.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,816.20 : 170,724.30 = 38,911.45 : x
  2. Step 2: Convert to fraction form
    113,816.20/170,724.30 = 38,911.45/x
  3. Step 3: Cross multiply
    113,816.20x = 170,724.30 × 38,911.45
  4. Step 4: Simplify right side
    113,816.20x = 6,643,130,063.24
  5. Step 5: Solve for x
    x = 6,643,130,063.24/113,816.20
  6. Step 6: Final answer
    x = 58,367.18

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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.