Home / 247,155.72-370,732.86-89,383.56

Finding the Fourth Proportional to 247,155.72, 370,732.86 and 89,383.56

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Solution

The fourth proportional to 247,155.72, 370,732.86 and 89,383.56 is: 134,075.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,155.72 : 370,732.86 = 89,383.56 : x
  2. Step 2: Convert to fraction form
    247,155.72/370,732.86 = 89,383.56/x
  3. Step 3: Cross multiply
    247,155.72x = 370,732.86 × 89,383.56
  4. Step 4: Simplify right side
    247,155.72x = 33,137,422,835.78
  5. Step 5: Solve for x
    x = 33,137,422,835.78/247,155.72
  6. Step 6: Final answer
    x = 134,075.08

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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.