Home / 209,373.26-314,088.84-67,185.10

Finding the Fourth Proportional to 209,373.26, 314,088.84 and 67,185.10

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Solution

The fourth proportional to 209,373.26, 314,088.84 and 67,185.10 is: 100,786.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,373.26 : 314,088.84 = 67,185.10 : x
  2. Step 2: Convert to fraction form
    209,373.26/314,088.84 = 67,185.10/x
  3. Step 3: Cross multiply
    209,373.26x = 314,088.84 × 67,185.10
  4. Step 4: Simplify right side
    209,373.26x = 21,102,088,750.15
  5. Step 5: Solve for x
    x = 21,102,088,750.15/209,373.26
  6. Step 6: Final answer
    x = 100,786.94

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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.