Home / 140,446.46-210,689.66-45,646.16

Finding the Fourth Proportional to 140,446.46, 210,689.66 and 45,646.16

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Solution

The fourth proportional to 140,446.46, 210,689.66 and 45,646.16 is: 68,475.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,446.46 : 210,689.66 = 45,646.16 : x
  2. Step 2: Convert to fraction form
    140,446.46/210,689.66 = 45,646.16/x
  3. Step 3: Cross multiply
    140,446.46x = 210,689.66 × 45,646.16
  4. Step 4: Simplify right side
    140,446.46x = 9,617,172,991.37
  5. Step 5: Solve for x
    x = 9,617,172,991.37/140,446.46
  6. Step 6: Final answer
    x = 68,475.72

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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.