Home / 173,289.53-239,039.78-104,331.05

Finding the Fourth Proportional to 173,289.53, 239,039.78 and 104,331.05

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Solution

The fourth proportional to 173,289.53, 239,039.78 and 104,331.05 is: 143,916.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,289.53 : 239,039.78 = 104,331.05 : x
  2. Step 2: Convert to fraction form
    173,289.53/239,039.78 = 104,331.05/x
  3. Step 3: Cross multiply
    173,289.53x = 239,039.78 × 104,331.05
  4. Step 4: Simplify right side
    173,289.53x = 24,939,271,239.17
  5. Step 5: Solve for x
    x = 24,939,271,239.17/173,289.53
  6. Step 6: Final answer
    x = 143,916.78

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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.