Home / 133,229.61-183,851.06-72,797.40

Finding the Fourth Proportional to 133,229.61, 183,851.06 and 72,797.40

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Solution

The fourth proportional to 133,229.61, 183,851.06 and 72,797.40 is: 100,457.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,229.61 : 183,851.06 = 72,797.40 : x
  2. Step 2: Convert to fraction form
    133,229.61/183,851.06 = 72,797.40/x
  3. Step 3: Cross multiply
    133,229.61x = 183,851.06 × 72,797.40
  4. Step 4: Simplify right side
    133,229.61x = 13,383,878,791.26
  5. Step 5: Solve for x
    x = 13,383,878,791.26/133,229.61
  6. Step 6: Final answer
    x = 100,457.24

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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.