Home / 209,301.26-288,835.08-113,808.20

Finding the Fourth Proportional to 209,301.26, 288,835.08 and 113,808.20

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Solution

The fourth proportional to 209,301.26, 288,835.08 and 113,808.20 is: 157,054.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,301.26 : 288,835.08 = 113,808.20 : x
  2. Step 2: Convert to fraction form
    209,301.26/288,835.08 = 113,808.20/x
  3. Step 3: Cross multiply
    209,301.26x = 288,835.08 × 113,808.20
  4. Step 4: Simplify right side
    209,301.26x = 32,871,800,551.66
  5. Step 5: Solve for x
    x = 32,871,800,551.66/209,301.26
  6. Step 6: Final answer
    x = 157,054.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.