Home / 113,867.85-170,784.21-38,970.79

Finding the Fourth Proportional to 113,867.85, 170,784.21 and 38,970.79

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Solution

The fourth proportional to 113,867.85, 170,784.21 and 38,970.79 is: 58,450.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,867.85 : 170,784.21 = 38,970.79 : x
  2. Step 2: Convert to fraction form
    113,867.85/170,784.21 = 38,970.79/x
  3. Step 3: Cross multiply
    113,867.85x = 170,784.21 × 38,970.79
  4. Step 4: Simplify right side
    113,867.85x = 6,655,595,388.37
  5. Step 5: Solve for x
    x = 6,655,595,388.37/113,867.85
  6. Step 6: Final answer
    x = 58,450.17

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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.