Home / 154,058.34-212,600.62-89,540.22

Finding the Fourth Proportional to 154,058.34, 212,600.62 and 89,540.22

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Solution

The fourth proportional to 154,058.34, 212,600.62 and 89,540.22 is: 123,565.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,058.34 : 212,600.62 = 89,540.22 : x
  2. Step 2: Convert to fraction form
    154,058.34/212,600.62 = 89,540.22/x
  3. Step 3: Cross multiply
    154,058.34x = 212,600.62 × 89,540.22
  4. Step 4: Simplify right side
    154,058.34x = 19,036,306,286.94
  5. Step 5: Solve for x
    x = 19,036,306,286.94/154,058.34
  6. Step 6: Final answer
    x = 123,565.57

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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.