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Finding the Fourth Proportional to 93,353.95, 140,170.70 and 53,418.02

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Solution

The fourth proportional to 93,353.95, 140,170.70 and 53,418.02 is: 80,207.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,353.95 : 140,170.70 = 53,418.02 : x
  2. Step 2: Convert to fraction form
    93,353.95/140,170.70 = 53,418.02/x
  3. Step 3: Cross multiply
    93,353.95x = 140,170.70 × 53,418.02
  4. Step 4: Simplify right side
    93,353.95x = 7,487,640,688.71
  5. Step 5: Solve for x
    x = 7,487,640,688.71/93,353.95
  6. Step 6: Final answer
    x = 80,207.00

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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.