Home / 209,332.13-314,047.20-69,090.62

Finding the Fourth Proportional to 209,332.13, 314,047.20 and 69,090.62

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Solution

The fourth proportional to 209,332.13, 314,047.20 and 69,090.62 is: 103,652.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,332.13 : 314,047.20 = 69,090.62 : x
  2. Step 2: Convert to fraction form
    209,332.13/314,047.20 = 69,090.62/x
  3. Step 3: Cross multiply
    209,332.13x = 314,047.20 × 69,090.62
  4. Step 4: Simplify right side
    209,332.13x = 21,697,715,757.26
  5. Step 5: Solve for x
    x = 21,697,715,757.26/209,332.13
  6. Step 6: Final answer
    x = 103,652.10

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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.