Home / 209,566.53-314,349.89-69,325.16

Finding the Fourth Proportional to 209,566.53, 314,349.89 and 69,325.16

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Solution

The fourth proportional to 209,566.53, 314,349.89 and 69,325.16 is: 103,987.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,566.53 : 314,349.89 = 69,325.16 : x
  2. Step 2: Convert to fraction form
    209,566.53/314,349.89 = 69,325.16/x
  3. Step 3: Cross multiply
    209,566.53x = 314,349.89 × 69,325.16
  4. Step 4: Simplify right side
    209,566.53x = 21,792,354,501.86
  5. Step 5: Solve for x
    x = 21,792,354,501.86/209,566.53
  6. Step 6: Final answer
    x = 103,987.76

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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.