Home / 140,233.20-210,422.70-61,355.40

Finding the Fourth Proportional to 140,233.20, 210,422.70 and 61,355.40

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Solution

The fourth proportional to 140,233.20, 210,422.70 and 61,355.40 is: 92,065.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,233.20 : 210,422.70 = 61,355.40 : x
  2. Step 2: Convert to fraction form
    140,233.20/210,422.70 = 61,355.40/x
  3. Step 3: Cross multiply
    140,233.20x = 210,422.70 × 61,355.40
  4. Step 4: Simplify right side
    140,233.20x = 12,910,568,927.58
  5. Step 5: Solve for x
    x = 12,910,568,927.58/140,233.20
  6. Step 6: Final answer
    x = 92,065.00

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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.