Home / 109,222.02-150,715.89-66,823.38

Finding the Fourth Proportional to 109,222.02, 150,715.89 and 66,823.38

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Solution

The fourth proportional to 109,222.02, 150,715.89 and 66,823.38 is: 92,209.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,222.02 : 150,715.89 = 66,823.38 : x
  2. Step 2: Convert to fraction form
    109,222.02/150,715.89 = 66,823.38/x
  3. Step 3: Cross multiply
    109,222.02x = 150,715.89 × 66,823.38
  4. Step 4: Simplify right side
    109,222.02x = 10,071,345,189.51
  5. Step 5: Solve for x
    x = 10,071,345,189.51/109,222.02
  6. Step 6: Final answer
    x = 92,209.84

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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.