Home / 139,552.35-209,330.91-39,715.13

Finding the Fourth Proportional to 139,552.35, 209,330.91 and 39,715.13

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Solution

The fourth proportional to 139,552.35, 209,330.91 and 39,715.13 is: 59,573.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,552.35 : 209,330.91 = 39,715.13 : x
  2. Step 2: Convert to fraction form
    139,552.35/209,330.91 = 39,715.13/x
  3. Step 3: Cross multiply
    139,552.35x = 209,330.91 × 39,715.13
  4. Step 4: Simplify right side
    139,552.35x = 8,313,603,257.01
  5. Step 5: Solve for x
    x = 8,313,603,257.01/139,552.35
  6. Step 6: Final answer
    x = 59,573.37

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1.5x scale

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.