Home / 245,922.92-339,370.02-138,493.16

Finding the Fourth Proportional to 245,922.92, 339,370.02 and 138,493.16

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Solution

The fourth proportional to 245,922.92, 339,370.02 and 138,493.16 is: 191,118.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,922.92 : 339,370.02 = 138,493.16 : x
  2. Step 2: Convert to fraction form
    245,922.92/339,370.02 = 138,493.16/x
  3. Step 3: Cross multiply
    245,922.92x = 339,370.02 × 138,493.16
  4. Step 4: Simplify right side
    245,922.92x = 47,000,426,479.06
  5. Step 5: Solve for x
    x = 47,000,426,479.06/245,922.92
  6. Step 6: Final answer
    x = 191,118.53

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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.