Home / 102,166.11-140,989.93-56,846.00

Finding the Fourth Proportional to 102,166.11, 140,989.93 and 56,846.00

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Solution

The fourth proportional to 102,166.11, 140,989.93 and 56,846.00 is: 78,447.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,166.11 : 140,989.93 = 56,846.00 : x
  2. Step 2: Convert to fraction form
    102,166.11/140,989.93 = 56,846.00/x
  3. Step 3: Cross multiply
    102,166.11x = 140,989.93 × 56,846.00
  4. Step 4: Simplify right side
    102,166.11x = 8,014,713,851.08
  5. Step 5: Solve for x
    x = 8,014,713,851.08/102,166.11
  6. Step 6: Final answer
    x = 78,447.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.