Home / 190,291.35-285,477.10-71,960.07

Finding the Fourth Proportional to 190,291.35, 285,477.10 and 71,960.07

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Solution

The fourth proportional to 190,291.35, 285,477.10 and 71,960.07 is: 107,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,291.35 : 285,477.10 = 71,960.07 : x
  2. Step 2: Convert to fraction form
    190,291.35/285,477.10 = 71,960.07/x
  3. Step 3: Cross multiply
    190,291.35x = 285,477.10 × 71,960.07
  4. Step 4: Simplify right side
    190,291.35x = 20,542,950,492.11
  5. Step 5: Solve for x
    x = 20,542,950,492.11/190,291.35
  6. Step 6: Final answer
    x = 107,955.25

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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.