Home / 152,515.28-210,420.60-92,063

Finding the Fourth Proportional to 152,515.28, 210,420.60 and 92,063

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Solution

The fourth proportional to 152,515.28, 210,420.60 and 92,063 is: 127,016.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,515.28 : 210,420.60 = 92,063 : x
  2. Step 2: Convert to fraction form
    152,515.28/210,420.60 = 92,063/x
  3. Step 3: Cross multiply
    152,515.28x = 210,420.60 × 92,063
  4. Step 4: Simplify right side
    152,515.28x = 19,371,951,697.80
  5. Step 5: Solve for x
    x = 19,371,951,697.80/152,515.28
  6. Step 6: Final answer
    x = 127,016.46

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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.