Home / 148,408.16-222,315.36-89,211.48

Finding the Fourth Proportional to 148,408.16, 222,315.36 and 89,211.48

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Solution

The fourth proportional to 148,408.16, 222,315.36 and 89,211.48 is: 133,638.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,408.16 : 222,315.36 = 89,211.48 : x
  2. Step 2: Convert to fraction form
    148,408.16/222,315.36 = 89,211.48/x
  3. Step 3: Cross multiply
    148,408.16x = 222,315.36 × 89,211.48
  4. Step 4: Simplify right side
    148,408.16x = 19,833,082,292.33
  5. Step 5: Solve for x
    x = 19,833,082,292.33/148,408.16
  6. Step 6: Final answer
    x = 133,638.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.