Home / 74,166.86-102,350.75-40,175.34

Finding the Fourth Proportional to 74,166.86, 102,350.75 and 40,175.34

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Solution

The fourth proportional to 74,166.86, 102,350.75 and 40,175.34 is: 55,442.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,166.86 : 102,350.75 = 40,175.34 : x
  2. Step 2: Convert to fraction form
    74,166.86/102,350.75 = 40,175.34/x
  3. Step 3: Cross multiply
    74,166.86x = 102,350.75 × 40,175.34
  4. Step 4: Simplify right side
    74,166.86x = 4,111,976,280.94
  5. Step 5: Solve for x
    x = 4,111,976,280.94/74,166.86
  6. Step 6: Final answer
    x = 55,442.24

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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.