Home / 140,417.46-210,646.08-45,617.31

Finding the Fourth Proportional to 140,417.46, 210,646.08 and 45,617.31

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Solution

The fourth proportional to 140,417.46, 210,646.08 and 45,617.31 is: 68,432.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,417.46 : 210,646.08 = 45,617.31 : x
  2. Step 2: Convert to fraction form
    140,417.46/210,646.08 = 45,617.31/x
  3. Step 3: Cross multiply
    140,417.46x = 210,646.08 × 45,617.31
  4. Step 4: Simplify right side
    140,417.46x = 9,609,107,531.64
  5. Step 5: Solve for x
    x = 9,609,107,531.64/140,417.46
  6. Step 6: Final answer
    x = 68,432.43

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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.