Home / 296,777.12-445,161.66-72,136.88

Finding the Fourth Proportional to 296,777.12, 445,161.66 and 72,136.88

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Solution

The fourth proportional to 296,777.12, 445,161.66 and 72,136.88 is: 108,204.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,777.12 : 445,161.66 = 72,136.88 : x
  2. Step 2: Convert to fraction form
    296,777.12/445,161.66 = 72,136.88/x
  3. Step 3: Cross multiply
    296,777.12x = 445,161.66 × 72,136.88
  4. Step 4: Simplify right side
    296,777.12x = 32,112,573,248.02
  5. Step 5: Solve for x
    x = 32,112,573,248.02/296,777.12
  6. Step 6: Final answer
    x = 108,204.34

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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.