Home / 209,212.02-288,710.87-113,718.42

Finding the Fourth Proportional to 209,212.02, 288,710.87 and 113,718.42

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Solution

The fourth proportional to 209,212.02, 288,710.87 and 113,718.42 is: 156,930.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,212.02 : 288,710.87 = 113,718.42 : x
  2. Step 2: Convert to fraction form
    209,212.02/288,710.87 = 113,718.42/x
  3. Step 3: Cross multiply
    209,212.02x = 288,710.87 × 113,718.42
  4. Step 4: Simplify right side
    209,212.02x = 32,831,743,404.63
  5. Step 5: Solve for x
    x = 32,831,743,404.63/209,212.02
  6. Step 6: Final answer
    x = 156,930.48

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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.