Home / 103,768.12-155,698.26-50,436.28

Finding the Fourth Proportional to 103,768.12, 155,698.26 and 50,436.28

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Solution

The fourth proportional to 103,768.12, 155,698.26 and 50,436.28 is: 75,676.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,768.12 : 155,698.26 = 50,436.28 : x
  2. Step 2: Convert to fraction form
    103,768.12/155,698.26 = 50,436.28/x
  3. Step 3: Cross multiply
    103,768.12x = 155,698.26 × 50,436.28
  4. Step 4: Simplify right side
    103,768.12x = 7,852,841,036.87
  5. Step 5: Solve for x
    x = 7,852,841,036.87/103,768.12
  6. Step 6: Final answer
    x = 75,676.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.