Home / 190,167.36-285,095.52-71,771.28

Finding the Fourth Proportional to 190,167.36, 285,095.52 and 71,771.28

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Solution

The fourth proportional to 190,167.36, 285,095.52 and 71,771.28 is: 107,598.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,167.36 : 285,095.52 = 71,771.28 : x
  2. Step 2: Convert to fraction form
    190,167.36/285,095.52 = 71,771.28/x
  3. Step 3: Cross multiply
    190,167.36x = 285,095.52 × 71,771.28
  4. Step 4: Simplify right side
    190,167.36x = 20,461,670,392.67
  5. Step 5: Solve for x
    x = 20,461,670,392.67/190,167.36
  6. Step 6: Final answer
    x = 107,598.23

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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.