Home / 209,265.48-288,792.02-113,778.76

Finding the Fourth Proportional to 209,265.48, 288,792.02 and 113,778.76

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Solution

The fourth proportional to 209,265.48, 288,792.02 and 113,778.76 is: 157,017.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,265.48 : 288,792.02 = 113,778.76 : x
  2. Step 2: Convert to fraction form
    209,265.48/288,792.02 = 113,778.76/x
  3. Step 3: Cross multiply
    209,265.48x = 288,792.02 × 113,778.76
  4. Step 4: Simplify right side
    209,265.48x = 32,858,397,933.50
  5. Step 5: Solve for x
    x = 32,858,397,933.50/209,265.48
  6. Step 6: Final answer
    x = 157,017.76

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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.