Home / 140,359.86-210,540.71-56,127.13

Finding the Fourth Proportional to 140,359.86, 210,540.71 and 56,127.13

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Solution

The fourth proportional to 140,359.86, 210,540.71 and 56,127.13 is: 84,191.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,359.86 : 210,540.71 = 56,127.13 : x
  2. Step 2: Convert to fraction form
    140,359.86/210,540.71 = 56,127.13/x
  3. Step 3: Cross multiply
    140,359.86x = 210,540.71 × 56,127.13
  4. Step 4: Simplify right side
    140,359.86x = 11,817,045,414.43
  5. Step 5: Solve for x
    x = 11,817,045,414.43/140,359.86
  6. Step 6: Final answer
    x = 84,191.06

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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.