Home / 142,286.23-213,466.25-75,671.58

Finding the Fourth Proportional to 142,286.23, 213,466.25 and 75,671.58

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Solution

The fourth proportional to 142,286.23, 213,466.25 and 75,671.58 is: 113,527.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,286.23 : 213,466.25 = 75,671.58 : x
  2. Step 2: Convert to fraction form
    142,286.23/213,466.25 = 75,671.58/x
  3. Step 3: Cross multiply
    142,286.23x = 213,466.25 × 75,671.58
  4. Step 4: Simplify right side
    142,286.23x = 16,153,329,403.85
  5. Step 5: Solve for x
    x = 16,153,329,403.85/142,286.23
  6. Step 6: Final answer
    x = 113,527.00

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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.