Home / 113,783.28-170,719.20-47,206.56

Finding the Fourth Proportional to 113,783.28, 170,719.20 and 47,206.56

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Solution

The fourth proportional to 113,783.28, 170,719.20 and 47,206.56 is: 70,828.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,783.28 : 170,719.20 = 47,206.56 : x
  2. Step 2: Convert to fraction form
    113,783.28/170,719.20 = 47,206.56/x
  3. Step 3: Cross multiply
    113,783.28x = 170,719.20 × 47,206.56
  4. Step 4: Simplify right side
    113,783.28x = 8,059,066,157.95
  5. Step 5: Solve for x
    x = 8,059,066,157.95/113,783.28
  6. Step 6: Final answer
    x = 70,828.21

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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.