Home / 94,890.24-142,350-31,690.80

Finding the Fourth Proportional to 94,890.24, 142,350 and 31,690.80

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Solution

The fourth proportional to 94,890.24, 142,350 and 31,690.80 is: 47,541.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,890.24 : 142,350 = 31,690.80 : x
  2. Step 2: Convert to fraction form
    94,890.24/142,350 = 31,690.80/x
  3. Step 3: Cross multiply
    94,890.24x = 142,350 × 31,690.80
  4. Step 4: Simplify right side
    94,890.24x = 4,511,185,380
  5. Step 5: Solve for x
    x = 4,511,185,380/94,890.24
  6. Step 6: Final answer
    x = 47,541.09

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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.