Home / 109,222.02-150,737.76-66,808.80

Finding the Fourth Proportional to 109,222.02, 150,737.76 and 66,808.80

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Solution

The fourth proportional to 109,222.02, 150,737.76 and 66,808.80 is: 92,203.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,222.02 : 150,737.76 = 66,808.80 : x
  2. Step 2: Convert to fraction form
    109,222.02/150,737.76 = 66,808.80/x
  3. Step 3: Cross multiply
    109,222.02x = 150,737.76 × 66,808.80
  4. Step 4: Simplify right side
    109,222.02x = 10,070,608,860.29
  5. Step 5: Solve for x
    x = 10,070,608,860.29/109,222.02
  6. Step 6: Final answer
    x = 92,203.10

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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.