Home / 142,651.20-213,825.06-53,866.92

Finding the Fourth Proportional to 142,651.20, 213,825.06 and 53,866.92

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Solution

The fourth proportional to 142,651.20, 213,825.06 and 53,866.92 is: 80,743.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,651.20 : 213,825.06 = 53,866.92 : x
  2. Step 2: Convert to fraction form
    142,651.20/213,825.06 = 53,866.92/x
  3. Step 3: Cross multiply
    142,651.20x = 213,825.06 × 53,866.92
  4. Step 4: Simplify right side
    142,651.20x = 11,518,097,401.02
  5. Step 5: Solve for x
    x = 11,518,097,401.02/142,651.20
  6. Step 6: Final answer
    x = 80,743.08

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1.5x scale

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.