Home / 105,856.19-158,750.82-34,767.11

Finding the Fourth Proportional to 105,856.19, 158,750.82 and 34,767.11

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Solution

The fourth proportional to 105,856.19, 158,750.82 and 34,767.11 is: 52,139.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,856.19 : 158,750.82 = 34,767.11 : x
  2. Step 2: Convert to fraction form
    105,856.19/158,750.82 = 34,767.11/x
  3. Step 3: Cross multiply
    105,856.19x = 158,750.82 × 34,767.11
  4. Step 4: Simplify right side
    105,856.19x = 5,519,307,221.53
  5. Step 5: Solve for x
    x = 5,519,307,221.53/105,856.19
  6. Step 6: Final answer
    x = 52,139.67

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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.