Home / 209,239.40-288,746.97-113,748.50

Finding the Fourth Proportional to 209,239.40, 288,746.97 and 113,748.50

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Solution

The fourth proportional to 209,239.40, 288,746.97 and 113,748.50 is: 156,971.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,239.40 : 288,746.97 = 113,748.50 : x
  2. Step 2: Convert to fraction form
    209,239.40/288,746.97 = 113,748.50/x
  3. Step 3: Cross multiply
    209,239.40x = 288,746.97 × 113,748.50
  4. Step 4: Simplify right side
    209,239.40x = 32,844,534,717.05
  5. Step 5: Solve for x
    x = 32,844,534,717.05/209,239.40
  6. Step 6: Final answer
    x = 156,971.08

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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.