Home / 142,522.43-213,820.52-53,776.67

Finding the Fourth Proportional to 142,522.43, 213,820.52 and 53,776.67

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Solution

The fourth proportional to 142,522.43, 213,820.52 and 53,776.67 is: 80,678.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,522.43 : 213,820.52 = 53,776.67 : x
  2. Step 2: Convert to fraction form
    142,522.43/213,820.52 = 53,776.67/x
  3. Step 3: Cross multiply
    142,522.43x = 213,820.52 × 53,776.67
  4. Step 4: Simplify right side
    142,522.43x = 11,498,554,205.28
  5. Step 5: Solve for x
    x = 11,498,554,205.28/142,522.43
  6. Step 6: Final answer
    x = 80,678.91

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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.