Home / 140,328.73-210,650.85-56,148.30

Finding the Fourth Proportional to 140,328.73, 210,650.85 and 56,148.30

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Solution

The fourth proportional to 140,328.73, 210,650.85 and 56,148.30 is: 84,285.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,328.73 : 210,650.85 = 56,148.30 : x
  2. Step 2: Convert to fraction form
    140,328.73/210,650.85 = 56,148.30/x
  3. Step 3: Cross multiply
    140,328.73x = 210,650.85 × 56,148.30
  4. Step 4: Simplify right side
    140,328.73x = 11,827,687,121.06
  5. Step 5: Solve for x
    x = 11,827,687,121.06/140,328.73
  6. Step 6: Final answer
    x = 84,285.57

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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.