Home / 140,344.64-210,666.76-60,422.16

Finding the Fourth Proportional to 140,344.64, 210,666.76 and 60,422.16

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Solution

The fourth proportional to 140,344.64, 210,666.76 and 60,422.16 is: 90,697.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,344.64 : 210,666.76 = 60,422.16 : x
  2. Step 2: Convert to fraction form
    140,344.64/210,666.76 = 60,422.16/x
  3. Step 3: Cross multiply
    140,344.64x = 210,666.76 × 60,422.16
  4. Step 4: Simplify right side
    140,344.64x = 12,728,940,679.40
  5. Step 5: Solve for x
    x = 12,728,940,679.40/140,344.64
  6. Step 6: Final answer
    x = 90,697.73

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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.