Home / 296,772.55-445,154.95-72,132.34

Finding the Fourth Proportional to 296,772.55, 445,154.95 and 72,132.34

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Solution

The fourth proportional to 296,772.55, 445,154.95 and 72,132.34 is: 108,197.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,772.55 : 445,154.95 = 72,132.34 : x
  2. Step 2: Convert to fraction form
    296,772.55/445,154.95 = 72,132.34/x
  3. Step 3: Cross multiply
    296,772.55x = 445,154.95 × 72,132.34
  4. Step 4: Simplify right side
    296,772.55x = 32,110,066,912.86
  5. Step 5: Solve for x
    x = 32,110,066,912.86/296,772.55
  6. Step 6: Final answer
    x = 108,197.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.