Home / 93,515.28-140,280.24-31,185.72

Finding the Fourth Proportional to 93,515.28, 140,280.24 and 31,185.72

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Solution

The fourth proportional to 93,515.28, 140,280.24 and 31,185.72 is: 46,781.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,515.28 : 140,280.24 = 31,185.72 : x
  2. Step 2: Convert to fraction form
    93,515.28/140,280.24 = 31,185.72/x
  3. Step 3: Cross multiply
    93,515.28x = 140,280.24 × 31,185.72
  4. Step 4: Simplify right side
    93,515.28x = 4,374,740,286.17
  5. Step 5: Solve for x
    x = 4,374,740,286.17/93,515.28
  6. Step 6: Final answer
    x = 46,781.02

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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.