Home / 209,534.06-314,333.91-69,325.49

Finding the Fourth Proportional to 209,534.06, 314,333.91 and 69,325.49

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Solution

The fourth proportional to 209,534.06, 314,333.91 and 69,325.49 is: 103,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,534.06 : 314,333.91 = 69,325.49 : x
  2. Step 2: Convert to fraction form
    209,534.06/314,333.91 = 69,325.49/x
  3. Step 3: Cross multiply
    209,534.06x = 314,333.91 × 69,325.49
  4. Step 4: Simplify right side
    209,534.06x = 21,791,353,120.20
  5. Step 5: Solve for x
    x = 21,791,353,120.20/209,534.06
  6. Step 6: Final answer
    x = 103,999.10

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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.