Home / 253,167.15-379,329.93-178,129.83

Finding the Fourth Proportional to 253,167.15, 379,329.93 and 178,129.83

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Solution

The fourth proportional to 253,167.15, 379,329.93 and 178,129.83 is: 266,898.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,167.15 : 379,329.93 = 178,129.83 : x
  2. Step 2: Convert to fraction form
    253,167.15/379,329.93 = 178,129.83/x
  3. Step 3: Cross multiply
    253,167.15x = 379,329.93 × 178,129.83
  4. Step 4: Simplify right side
    253,167.15x = 67,569,975,944.81
  5. Step 5: Solve for x
    x = 67,569,975,944.81/253,167.15
  6. Step 6: Final answer
    x = 266,898.67

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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.