Home / 190,479.31-285,675.23-113,564.07

Finding the Fourth Proportional to 190,479.31, 285,675.23 and 113,564.07

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Solution

The fourth proportional to 190,479.31, 285,675.23 and 113,564.07 is: 170,320.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,479.31 : 285,675.23 = 113,564.07 : x
  2. Step 2: Convert to fraction form
    190,479.31/285,675.23 = 113,564.07/x
  3. Step 3: Cross multiply
    190,479.31x = 285,675.23 × 113,564.07
  4. Step 4: Simplify right side
    190,479.31x = 32,442,441,816.99
  5. Step 5: Solve for x
    x = 32,442,441,816.99/190,479.31
  6. Step 6: Final answer
    x = 170,320.03

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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.