Home / 342,141.24-472,135.86-189,170.25

Finding the Fourth Proportional to 342,141.24, 472,135.86 and 189,170.25

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Solution

The fourth proportional to 342,141.24, 472,135.86 and 189,170.25 is: 261,044.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,141.24 : 472,135.86 = 189,170.25 : x
  2. Step 2: Convert to fraction form
    342,141.24/472,135.86 = 189,170.25/x
  3. Step 3: Cross multiply
    342,141.24x = 472,135.86 × 189,170.25
  4. Step 4: Simplify right side
    342,141.24x = 89,314,058,670.17
  5. Step 5: Solve for x
    x = 89,314,058,670.17/342,141.24
  6. Step 6: Final answer
    x = 261,044.41

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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.