Home / 209,233.16-288,743.64-113,740.04

Finding the Fourth Proportional to 209,233.16, 288,743.64 and 113,740.04

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Solution

The fourth proportional to 209,233.16, 288,743.64 and 113,740.04 is: 156,962.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,233.16 : 288,743.64 = 113,740.04 : x
  2. Step 2: Convert to fraction form
    209,233.16/288,743.64 = 113,740.04/x
  3. Step 3: Cross multiply
    209,233.16x = 288,743.64 × 113,740.04
  4. Step 4: Simplify right side
    209,233.16x = 32,841,713,163.35
  5. Step 5: Solve for x
    x = 32,841,713,163.35/209,233.16
  6. Step 6: Final answer
    x = 156,962.28

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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.