Home / 119,264.96-178,920.12-40,358

Finding the Fourth Proportional to 119,264.96, 178,920.12 and 40,358

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Solution

The fourth proportional to 119,264.96, 178,920.12 and 40,358 is: 60,544.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,264.96 : 178,920.12 = 40,358 : x
  2. Step 2: Convert to fraction form
    119,264.96/178,920.12 = 40,358/x
  3. Step 3: Cross multiply
    119,264.96x = 178,920.12 × 40,358
  4. Step 4: Simplify right side
    119,264.96x = 7,220,858,202.96
  5. Step 5: Solve for x
    x = 7,220,858,202.96/119,264.96
  6. Step 6: Final answer
    x = 60,544.67

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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.