Home / 154,701.41-213,446.77-89,273.66

Finding the Fourth Proportional to 154,701.41, 213,446.77 and 89,273.66

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Solution

The fourth proportional to 154,701.41, 213,446.77 and 89,273.66 is: 123,173.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,701.41 : 213,446.77 = 89,273.66 : x
  2. Step 2: Convert to fraction form
    154,701.41/213,446.77 = 89,273.66/x
  3. Step 3: Cross multiply
    154,701.41x = 213,446.77 × 89,273.66
  4. Step 4: Simplify right side
    154,701.41x = 19,055,174,373.08
  5. Step 5: Solve for x
    x = 19,055,174,373.08/154,701.41
  6. Step 6: Final answer
    x = 123,173.89

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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.