Home / 209,341.62-288,893.64-113,848.29

Finding the Fourth Proportional to 209,341.62, 288,893.64 and 113,848.29

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Solution

The fourth proportional to 209,341.62, 288,893.64 and 113,848.29 is: 157,111.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,341.62 : 288,893.64 = 113,848.29 : x
  2. Step 2: Convert to fraction form
    209,341.62/288,893.64 = 113,848.29/x
  3. Step 3: Cross multiply
    209,341.62x = 288,893.64 × 113,848.29
  4. Step 4: Simplify right side
    209,341.62x = 32,890,046,905.88
  5. Step 5: Solve for x
    x = 32,890,046,905.88/209,341.62
  6. Step 6: Final answer
    x = 157,111.84

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1.5x scale

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.