Home / 220,985.20-331,463.22-94,625.20

Finding the Fourth Proportional to 220,985.20, 331,463.22 and 94,625.20

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Solution

The fourth proportional to 220,985.20, 331,463.22 and 94,625.20 is: 141,931.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,985.20 : 331,463.22 = 94,625.20 : x
  2. Step 2: Convert to fraction form
    220,985.20/331,463.22 = 94,625.20/x
  3. Step 3: Cross multiply
    220,985.20x = 331,463.22 × 94,625.20
  4. Step 4: Simplify right side
    220,985.20x = 31,364,773,485.14
  5. Step 5: Solve for x
    x = 31,364,773,485.14/220,985.20
  6. Step 6: Final answer
    x = 141,931.56

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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.