Home / 212,289.53-293,099.51-131,837.09

Finding the Fourth Proportional to 212,289.53, 293,099.51 and 131,837.09

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Solution

The fourth proportional to 212,289.53, 293,099.51 and 131,837.09 is: 182,022.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,289.53 : 293,099.51 = 131,837.09 : x
  2. Step 2: Convert to fraction form
    212,289.53/293,099.51 = 131,837.09/x
  3. Step 3: Cross multiply
    212,289.53x = 293,099.51 × 131,837.09
  4. Step 4: Simplify right side
    212,289.53x = 38,641,385,342.92
  5. Step 5: Solve for x
    x = 38,641,385,342.92/212,289.53
  6. Step 6: Final answer
    x = 182,022.10

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1.5x scale

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.