Home / 190,475.55-285,770.43-57,360.15

Finding the Fourth Proportional to 190,475.55, 285,770.43 and 57,360.15

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Solution

The fourth proportional to 190,475.55, 285,770.43 and 57,360.15 is: 86,057.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,475.55 : 285,770.43 = 57,360.15 : x
  2. Step 2: Convert to fraction form
    190,475.55/285,770.43 = 57,360.15/x
  3. Step 3: Cross multiply
    190,475.55x = 285,770.43 × 57,360.15
  4. Step 4: Simplify right side
    190,475.55x = 16,391,834,730.36
  5. Step 5: Solve for x
    x = 16,391,834,730.36/190,475.55
  6. Step 6: Final answer
    x = 86,057.42

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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.