Home / 190,262.48-262,738.71-142,432.79

Finding the Fourth Proportional to 190,262.48, 262,738.71 and 142,432.79

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Solution

The fourth proportional to 190,262.48, 262,738.71 and 142,432.79 is: 196,689.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,262.48 : 262,738.71 = 142,432.79 : x
  2. Step 2: Convert to fraction form
    190,262.48/262,738.71 = 142,432.79/x
  3. Step 3: Cross multiply
    190,262.48x = 262,738.71 × 142,432.79
  4. Step 4: Simplify right side
    190,262.48x = 37,422,607,506.30
  5. Step 5: Solve for x
    x = 37,422,607,506.30/190,262.48
  6. Step 6: Final answer
    x = 196,689.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.