Home / 235,916.88-325,562.04-135,312.72

Finding the Fourth Proportional to 235,916.88, 325,562.04 and 135,312.72

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Solution

The fourth proportional to 235,916.88, 325,562.04 and 135,312.72 is: 186,729.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,916.88 : 325,562.04 = 135,312.72 : x
  2. Step 2: Convert to fraction form
    235,916.88/325,562.04 = 135,312.72/x
  3. Step 3: Cross multiply
    235,916.88x = 325,562.04 × 135,312.72
  4. Step 4: Simplify right side
    235,916.88x = 44,052,685,161.15
  5. Step 5: Solve for x
    x = 44,052,685,161.15/235,916.88
  6. Step 6: Final answer
    x = 186,729.69

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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.