Home / 124,801.02-172,222.88-68,212.80

Finding the Fourth Proportional to 124,801.02, 172,222.88 and 68,212.80

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Solution

The fourth proportional to 124,801.02, 172,222.88 and 68,212.80 is: 94,132.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,801.02 : 172,222.88 = 68,212.80 : x
  2. Step 2: Convert to fraction form
    124,801.02/172,222.88 = 68,212.80/x
  3. Step 3: Cross multiply
    124,801.02x = 172,222.88 × 68,212.80
  4. Step 4: Simplify right side
    124,801.02x = 11,747,804,527.80
  5. Step 5: Solve for x
    x = 11,747,804,527.80/124,801.02
  6. Step 6: Final answer
    x = 94,132.28

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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.