Home / 190,307.20-285,371.40-110,367.89

Finding the Fourth Proportional to 190,307.20, 285,371.40 and 110,367.89

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Solution

The fourth proportional to 190,307.20, 285,371.40 and 110,367.89 is: 165,499.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,307.20 : 285,371.40 = 110,367.89 : x
  2. Step 2: Convert to fraction form
    190,307.20/285,371.40 = 110,367.89/x
  3. Step 3: Cross multiply
    190,307.20x = 285,371.40 × 110,367.89
  4. Step 4: Simplify right side
    190,307.20x = 31,495,839,284.35
  5. Step 5: Solve for x
    x = 31,495,839,284.35/190,307.20
  6. Step 6: Final answer
    x = 165,499.99

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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.