Home / 239,163.50-358,620.62-89,280.51

Finding the Fourth Proportional to 239,163.50, 358,620.62 and 89,280.51

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Solution

The fourth proportional to 239,163.50, 358,620.62 and 89,280.51 is: 133,874.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,163.50 : 358,620.62 = 89,280.51 : x
  2. Step 2: Convert to fraction form
    239,163.50/358,620.62 = 89,280.51/x
  3. Step 3: Cross multiply
    239,163.50x = 358,620.62 × 89,280.51
  4. Step 4: Simplify right side
    239,163.50x = 32,017,831,403.71
  5. Step 5: Solve for x
    x = 32,017,831,403.71/239,163.50
  6. Step 6: Final answer
    x = 133,874.24

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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.