Home / 94,766.40-142,124.85-28,188.60

Finding the Fourth Proportional to 94,766.40, 142,124.85 and 28,188.60

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Solution

The fourth proportional to 94,766.40, 142,124.85 and 28,188.60 is: 42,275.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,766.40 : 142,124.85 = 28,188.60 : x
  2. Step 2: Convert to fraction form
    94,766.40/142,124.85 = 28,188.60/x
  3. Step 3: Cross multiply
    94,766.40x = 142,124.85 × 28,188.60
  4. Step 4: Simplify right side
    94,766.40x = 4,006,300,546.71
  5. Step 5: Solve for x
    x = 4,006,300,546.71/94,766.40
  6. Step 6: Final answer
    x = 42,275.54

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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.