Home / 209,632.15-314,185.79-165,082.96

Finding the Fourth Proportional to 209,632.15, 314,185.79 and 165,082.96

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Solution

The fourth proportional to 209,632.15, 314,185.79 and 165,082.96 is: 247,417.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,632.15 : 314,185.79 = 165,082.96 : x
  2. Step 2: Convert to fraction form
    209,632.15/314,185.79 = 165,082.96/x
  3. Step 3: Cross multiply
    209,632.15x = 314,185.79 × 165,082.96
  4. Step 4: Simplify right side
    209,632.15x = 51,866,720,079.99
  5. Step 5: Solve for x
    x = 51,866,720,079.99/209,632.15
  6. Step 6: Final answer
    x = 247,417.77

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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.