Home / 190,267.32-285,398.91-57,141.90

Finding the Fourth Proportional to 190,267.32, 285,398.91 and 57,141.90

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Solution

The fourth proportional to 190,267.32, 285,398.91 and 57,141.90 is: 85,712.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,267.32 : 285,398.91 = 57,141.90 : x
  2. Step 2: Convert to fraction form
    190,267.32/285,398.91 = 57,141.90/x
  3. Step 3: Cross multiply
    190,267.32x = 285,398.91 × 57,141.90
  4. Step 4: Simplify right side
    190,267.32x = 16,308,235,975.33
  5. Step 5: Solve for x
    x = 16,308,235,975.33/190,267.32
  6. Step 6: Final answer
    x = 85,712.23

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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.