Home / 159,541.58-220,172.91-86,950.52

Finding the Fourth Proportional to 159,541.58, 220,172.91 and 86,950.52

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Solution

The fourth proportional to 159,541.58, 220,172.91 and 86,950.52 is: 119,994.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,541.58 : 220,172.91 = 86,950.52 : x
  2. Step 2: Convert to fraction form
    159,541.58/220,172.91 = 86,950.52/x
  3. Step 3: Cross multiply
    159,541.58x = 220,172.91 × 86,950.52
  4. Step 4: Simplify right side
    159,541.58x = 19,144,149,014.41
  5. Step 5: Solve for x
    x = 19,144,149,014.41/159,541.58
  6. Step 6: Final answer
    x = 119,994.73

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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.