Home / 152,916.08-229,449.27-68,735.72

Finding the Fourth Proportional to 152,916.08, 229,449.27 and 68,735.72

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Solution

The fourth proportional to 152,916.08, 229,449.27 and 68,735.72 is: 103,137.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,916.08 : 229,449.27 = 68,735.72 : x
  2. Step 2: Convert to fraction form
    152,916.08/229,449.27 = 68,735.72/x
  3. Step 3: Cross multiply
    152,916.08x = 229,449.27 × 68,735.72
  4. Step 4: Simplify right side
    152,916.08x = 15,771,360,776.92
  5. Step 5: Solve for x
    x = 15,771,360,776.92/152,916.08
  6. Step 6: Final answer
    x = 103,137.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.