Home / 207,541.85-286,408.17-121,485.29

Finding the Fourth Proportional to 207,541.85, 286,408.17 and 121,485.29

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Solution

The fourth proportional to 207,541.85, 286,408.17 and 121,485.29 is: 167,649.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,541.85 : 286,408.17 = 121,485.29 : x
  2. Step 2: Convert to fraction form
    207,541.85/286,408.17 = 121,485.29/x
  3. Step 3: Cross multiply
    207,541.85x = 286,408.17 × 121,485.29
  4. Step 4: Simplify right side
    207,541.85x = 34,794,378,158.78
  5. Step 5: Solve for x
    x = 34,794,378,158.78/207,541.85
  6. Step 6: Final answer
    x = 167,649.94

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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.