Home / 137,219.90-205,823.67-57,224.93

Finding the Fourth Proportional to 137,219.90, 205,823.67 and 57,224.93

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Solution

The fourth proportional to 137,219.90, 205,823.67 and 57,224.93 is: 85,834.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,219.90 : 205,823.67 = 57,224.93 : x
  2. Step 2: Convert to fraction form
    137,219.90/205,823.67 = 57,224.93/x
  3. Step 3: Cross multiply
    137,219.90x = 205,823.67 × 57,224.93
  4. Step 4: Simplify right side
    137,219.90x = 11,778,245,108.09
  5. Step 5: Solve for x
    x = 11,778,245,108.09/137,219.90
  6. Step 6: Final answer
    x = 85,834.82

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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.