Home / 76,145.13-114,225.34-26,218.62

Finding the Fourth Proportional to 76,145.13, 114,225.34 and 26,218.62

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Solution

The fourth proportional to 76,145.13, 114,225.34 and 26,218.62 is: 39,330.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,145.13 : 114,225.34 = 26,218.62 : x
  2. Step 2: Convert to fraction form
    76,145.13/114,225.34 = 26,218.62/x
  3. Step 3: Cross multiply
    76,145.13x = 114,225.34 × 26,218.62
  4. Step 4: Simplify right side
    76,145.13x = 2,994,830,739.37
  5. Step 5: Solve for x
    x = 2,994,830,739.37/76,145.13
  6. Step 6: Final answer
    x = 39,330.56

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1.5x scale

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.