Home / 145,688.37-218,160.66-116,149.29

Finding the Fourth Proportional to 145,688.37, 218,160.66 and 116,149.29

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Solution

The fourth proportional to 145,688.37, 218,160.66 and 116,149.29 is: 173,927.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,688.37 : 218,160.66 = 116,149.29 : x
  2. Step 2: Convert to fraction form
    145,688.37/218,160.66 = 116,149.29/x
  3. Step 3: Cross multiply
    145,688.37x = 218,160.66 × 116,149.29
  4. Step 4: Simplify right side
    145,688.37x = 25,339,205,764.93
  5. Step 5: Solve for x
    x = 25,339,205,764.93/145,688.37
  6. Step 6: Final answer
    x = 173,927.44

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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.