Home / 190,025.37-285,087.27-71,697.74

Finding the Fourth Proportional to 190,025.37, 285,087.27 and 71,697.74

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Solution

The fourth proportional to 190,025.37, 285,087.27 and 71,697.74 is: 107,565.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,025.37 : 285,087.27 = 71,697.74 : x
  2. Step 2: Convert to fraction form
    190,025.37/285,087.27 = 71,697.74/x
  3. Step 3: Cross multiply
    190,025.37x = 285,087.27 × 71,697.74
  4. Step 4: Simplify right side
    190,025.37x = 20,440,111,536.33
  5. Step 5: Solve for x
    x = 20,440,111,536.33/190,025.37
  6. Step 6: Final answer
    x = 107,565.17

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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.