Home / 209,171.22-288,656.15-113,677.93

Finding the Fourth Proportional to 209,171.22, 288,656.15 and 113,677.93

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Solution

The fourth proportional to 209,171.22, 288,656.15 and 113,677.93 is: 156,875.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,171.22 : 288,656.15 = 113,677.93 : x
  2. Step 2: Convert to fraction form
    209,171.22/288,656.15 = 113,677.93/x
  3. Step 3: Cross multiply
    209,171.22x = 288,656.15 × 113,677.93
  4. Step 4: Simplify right side
    209,171.22x = 32,813,833,613.77
  5. Step 5: Solve for x
    x = 32,813,833,613.77/209,171.22
  6. Step 6: Final answer
    x = 156,875.47

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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.