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Finding the Fourth Proportional to 146,988.32, 202,808.36 and 93,254

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Solution

The fourth proportional to 146,988.32, 202,808.36 and 93,254 is: 128,667.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,988.32 : 202,808.36 = 93,254 : x
  2. Step 2: Convert to fraction form
    146,988.32/202,808.36 = 93,254/x
  3. Step 3: Cross multiply
    146,988.32x = 202,808.36 × 93,254
  4. Step 4: Simplify right side
    146,988.32x = 18,912,690,803.44
  5. Step 5: Solve for x
    x = 18,912,690,803.44/146,988.32
  6. Step 6: Final answer
    x = 128,667.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.