Home / 140,422.34-210,653.40-45,622.19

Finding the Fourth Proportional to 140,422.34, 210,653.40 and 45,622.19

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Solution

The fourth proportional to 140,422.34, 210,653.40 and 45,622.19 is: 68,439.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,422.34 : 210,653.40 = 45,622.19 : x
  2. Step 2: Convert to fraction form
    140,422.34/210,653.40 = 45,622.19/x
  3. Step 3: Cross multiply
    140,422.34x = 210,653.40 × 45,622.19
  4. Step 4: Simplify right side
    140,422.34x = 9,610,468,385.68
  5. Step 5: Solve for x
    x = 9,610,468,385.68/140,422.34
  6. Step 6: Final answer
    x = 68,439.74

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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.