Home / 154,060.34-212,603.38-89,542.22

Finding the Fourth Proportional to 154,060.34, 212,603.38 and 89,542.22

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Solution

The fourth proportional to 154,060.34, 212,603.38 and 89,542.22 is: 123,568.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,060.34 : 212,603.38 = 89,542.22 : x
  2. Step 2: Convert to fraction form
    154,060.34/212,603.38 = 89,542.22/x
  3. Step 3: Cross multiply
    154,060.34x = 212,603.38 × 89,542.22
  4. Step 4: Simplify right side
    154,060.34x = 19,036,978,624.70
  5. Step 5: Solve for x
    x = 19,036,978,624.70/154,060.34
  6. Step 6: Final answer
    x = 123,568.33

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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.