Home / 102,166.25-140,990.13-56,846.14

Finding the Fourth Proportional to 102,166.25, 140,990.13 and 56,846.14

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Solution

The fourth proportional to 102,166.25, 140,990.13 and 56,846.14 is: 78,448.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,166.25 : 140,990.13 = 56,846.14 : x
  2. Step 2: Convert to fraction form
    102,166.25/140,990.13 = 56,846.14/x
  3. Step 3: Cross multiply
    102,166.25x = 140,990.13 × 56,846.14
  4. Step 4: Simplify right side
    102,166.25x = 8,014,745,109.19
  5. Step 5: Solve for x
    x = 8,014,745,109.19/102,166.25
  6. Step 6: Final answer
    x = 78,448.07

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1.5x scale

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.