Home / 109,108.68-163,663.02-30,222.93

Finding the Fourth Proportional to 109,108.68, 163,663.02 and 30,222.93

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Solution

The fourth proportional to 109,108.68, 163,663.02 and 30,222.93 is: 45,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,108.68 : 163,663.02 = 30,222.93 : x
  2. Step 2: Convert to fraction form
    109,108.68/163,663.02 = 30,222.93/x
  3. Step 3: Cross multiply
    109,108.68x = 163,663.02 × 30,222.93
  4. Step 4: Simplify right side
    109,108.68x = 4,946,375,997.05
  5. Step 5: Solve for x
    x = 4,946,375,997.05/109,108.68
  6. Step 6: Final answer
    x = 45,334.40

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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.