Home / 221,030.07-331,698.24-87,896.58

Finding the Fourth Proportional to 221,030.07, 331,698.24 and 87,896.58

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Solution

The fourth proportional to 221,030.07, 331,698.24 and 87,896.58 is: 131,905.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,030.07 : 331,698.24 = 87,896.58 : x
  2. Step 2: Convert to fraction form
    221,030.07/331,698.24 = 87,896.58/x
  3. Step 3: Cross multiply
    221,030.07x = 331,698.24 × 87,896.58
  4. Step 4: Simplify right side
    221,030.07x = 29,155,140,888.02
  5. Step 5: Solve for x
    x = 29,155,140,888.02/221,030.07
  6. Step 6: Final answer
    x = 131,905.77

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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.