Home / 245,755.02-339,141.86-138,325.63

Finding the Fourth Proportional to 245,755.02, 339,141.86 and 138,325.63

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Solution

The fourth proportional to 245,755.02, 339,141.86 and 138,325.63 is: 190,889.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,755.02 : 339,141.86 = 138,325.63 : x
  2. Step 2: Convert to fraction form
    245,755.02/339,141.86 = 138,325.63/x
  3. Step 3: Cross multiply
    245,755.02x = 339,141.86 × 138,325.63
  4. Step 4: Simplify right side
    245,755.02x = 46,912,011,443.87
  5. Step 5: Solve for x
    x = 46,912,011,443.87/245,755.02
  6. Step 6: Final answer
    x = 190,889.33

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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.