Home / 190,293.67-262,356.33-163,721.62

Finding the Fourth Proportional to 190,293.67, 262,356.33 and 163,721.62

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Solution

The fourth proportional to 190,293.67, 262,356.33 and 163,721.62 is: 225,721.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,293.67 : 262,356.33 = 163,721.62 : x
  2. Step 2: Convert to fraction form
    190,293.67/262,356.33 = 163,721.62/x
  3. Step 3: Cross multiply
    190,293.67x = 262,356.33 × 163,721.62
  4. Step 4: Simplify right side
    190,293.67x = 42,953,403,364.85
  5. Step 5: Solve for x
    x = 42,953,403,364.85/190,293.67
  6. Step 6: Final answer
    x = 225,721.66

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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.