Home / 93,619.20-140,445.60-49,233.60

Finding the Fourth Proportional to 93,619.20, 140,445.60 and 49,233.60

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Solution

The fourth proportional to 93,619.20, 140,445.60 and 49,233.60 is: 73,859.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,619.20 : 140,445.60 = 49,233.60 : x
  2. Step 2: Convert to fraction form
    93,619.20/140,445.60 = 49,233.60/x
  3. Step 3: Cross multiply
    93,619.20x = 140,445.60 × 49,233.60
  4. Step 4: Simplify right side
    93,619.20x = 6,914,642,492.16
  5. Step 5: Solve for x
    x = 6,914,642,492.16/93,619.20
  6. Step 6: Final answer
    x = 73,859.23

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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.