Home / 209,935.26-314,572.41-130,931.10

Finding the Fourth Proportional to 209,935.26, 314,572.41 and 130,931.10

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Solution

The fourth proportional to 209,935.26, 314,572.41 and 130,931.10 is: 196,190.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,935.26 : 314,572.41 = 130,931.10 : x
  2. Step 2: Convert to fraction form
    209,935.26/314,572.41 = 130,931.10/x
  3. Step 3: Cross multiply
    209,935.26x = 314,572.41 × 130,931.10
  4. Step 4: Simplify right side
    209,935.26x = 41,187,311,670.95
  5. Step 5: Solve for x
    x = 41,187,311,670.95/209,935.26
  6. Step 6: Final answer
    x = 196,190.54

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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.