Home / 142,989.26-214,351.46-52,981.83

Finding the Fourth Proportional to 142,989.26, 214,351.46 and 52,981.83

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Solution

The fourth proportional to 142,989.26, 214,351.46 and 52,981.83 is: 79,423.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,989.26 : 214,351.46 = 52,981.83 : x
  2. Step 2: Convert to fraction form
    142,989.26/214,351.46 = 52,981.83/x
  3. Step 3: Cross multiply
    142,989.26x = 214,351.46 × 52,981.83
  4. Step 4: Simplify right side
    142,989.26x = 11,356,731,719.23
  5. Step 5: Solve for x
    x = 11,356,731,719.23/142,989.26
  6. Step 6: Final answer
    x = 79,423.67

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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.