Home / 109,713.53-164,564.82-38,639.67

Finding the Fourth Proportional to 109,713.53, 164,564.82 and 38,639.67

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Solution

The fourth proportional to 109,713.53, 164,564.82 and 38,639.67 is: 57,957.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,713.53 : 164,564.82 = 38,639.67 : x
  2. Step 2: Convert to fraction form
    109,713.53/164,564.82 = 38,639.67/x
  3. Step 3: Cross multiply
    109,713.53x = 164,564.82 × 38,639.67
  4. Step 4: Simplify right side
    109,713.53x = 6,358,730,338.41
  5. Step 5: Solve for x
    x = 6,358,730,338.41/109,713.53
  6. Step 6: Final answer
    x = 57,957.58

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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.