Home / 109,224.02-150,740.52-66,810.80

Finding the Fourth Proportional to 109,224.02, 150,740.52 and 66,810.80

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Solution

The fourth proportional to 109,224.02, 150,740.52 and 66,810.80 is: 92,205.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,224.02 : 150,740.52 = 66,810.80 : x
  2. Step 2: Convert to fraction form
    109,224.02/150,740.52 = 66,810.80/x
  3. Step 3: Cross multiply
    109,224.02x = 150,740.52 × 66,810.80
  4. Step 4: Simplify right side
    109,224.02x = 10,071,094,733.62
  5. Step 5: Solve for x
    x = 10,071,094,733.62/109,224.02
  6. Step 6: Final answer
    x = 92,205.86

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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.