Home / 245,851.36-339,285.34-136,955.57

Finding the Fourth Proportional to 245,851.36, 339,285.34 and 136,955.57

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Solution

The fourth proportional to 245,851.36, 339,285.34 and 136,955.57 is: 189,004.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,851.36 : 339,285.34 = 136,955.57 : x
  2. Step 2: Convert to fraction form
    245,851.36/339,285.34 = 136,955.57/x
  3. Step 3: Cross multiply
    245,851.36x = 339,285.34 × 136,955.57
  4. Step 4: Simplify right side
    245,851.36x = 46,467,015,607.11
  5. Step 5: Solve for x
    x = 46,467,015,607.11/245,851.36
  6. Step 6: Final answer
    x = 189,004.51

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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.