Home / 85,846.02-128,766.30-22,664.20

Finding the Fourth Proportional to 85,846.02, 128,766.30 and 22,664.20

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Solution

The fourth proportional to 85,846.02, 128,766.30 and 22,664.20 is: 33,995.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,846.02 : 128,766.30 = 22,664.20 : x
  2. Step 2: Convert to fraction form
    85,846.02/128,766.30 = 22,664.20/x
  3. Step 3: Cross multiply
    85,846.02x = 128,766.30 × 22,664.20
  4. Step 4: Simplify right side
    85,846.02x = 2,918,385,176.46
  5. Step 5: Solve for x
    x = 2,918,385,176.46/85,846.02
  6. Step 6: Final answer
    x = 33,995.58

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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.