Home / 209,088.31-313,585.18-96,706.86

Finding the Fourth Proportional to 209,088.31, 313,585.18 and 96,706.86

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Solution

The fourth proportional to 209,088.31, 313,585.18 and 96,706.86 is: 145,038.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,088.31 : 313,585.18 = 96,706.86 : x
  2. Step 2: Convert to fraction form
    209,088.31/313,585.18 = 96,706.86/x
  3. Step 3: Cross multiply
    209,088.31x = 313,585.18 × 96,706.86
  4. Step 4: Simplify right side
    209,088.31x = 30,325,837,858.57
  5. Step 5: Solve for x
    x = 30,325,837,858.57/209,088.31
  6. Step 6: Final answer
    x = 145,038.42

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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.