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Finding the Fourth Proportional to 93,513.60, 140,270.40 and 38,096.64

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Solution

The fourth proportional to 93,513.60, 140,270.40 and 38,096.64 is: 57,144.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,513.60 : 140,270.40 = 38,096.64 : x
  2. Step 2: Convert to fraction form
    93,513.60/140,270.40 = 38,096.64/x
  3. Step 3: Cross multiply
    93,513.60x = 140,270.40 × 38,096.64
  4. Step 4: Simplify right side
    93,513.60x = 5,343,830,931.46
  5. Step 5: Solve for x
    x = 5,343,830,931.46/93,513.60
  6. Step 6: Final answer
    x = 57,144.96

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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.