Home / 142,225.20-213,336.45-57,965.58

Finding the Fourth Proportional to 142,225.20, 213,336.45 and 57,965.58

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Solution

The fourth proportional to 142,225.20, 213,336.45 and 57,965.58 is: 86,947.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,225.20 : 213,336.45 = 57,965.58 : x
  2. Step 2: Convert to fraction form
    142,225.20/213,336.45 = 57,965.58/x
  3. Step 3: Cross multiply
    142,225.20x = 213,336.45 × 57,965.58
  4. Step 4: Simplify right side
    142,225.20x = 12,366,171,059.39
  5. Step 5: Solve for x
    x = 12,366,171,059.39/142,225.20
  6. Step 6: Final answer
    x = 86,947.82

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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.