Home / 142,177.20-213,208.20-48,634.80

Finding the Fourth Proportional to 142,177.20, 213,208.20 and 48,634.80

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Solution

The fourth proportional to 142,177.20, 213,208.20 and 48,634.80 is: 72,932.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,177.20 : 213,208.20 = 48,634.80 : x
  2. Step 2: Convert to fraction form
    142,177.20/213,208.20 = 48,634.80/x
  3. Step 3: Cross multiply
    142,177.20x = 213,208.20 × 48,634.80
  4. Step 4: Simplify right side
    142,177.20x = 10,369,338,165.36
  5. Step 5: Solve for x
    x = 10,369,338,165.36/142,177.20
  6. Step 6: Final answer
    x = 72,932.50

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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.