Home / 159,058.38-219,496.19-87,438.46

Finding the Fourth Proportional to 159,058.38, 219,496.19 and 87,438.46

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Solution

The fourth proportional to 159,058.38, 219,496.19 and 87,438.46 is: 120,662.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,058.38 : 219,496.19 = 87,438.46 : x
  2. Step 2: Convert to fraction form
    159,058.38/219,496.19 = 87,438.46/x
  3. Step 3: Cross multiply
    159,058.38x = 219,496.19 × 87,438.46
  4. Step 4: Simplify right side
    159,058.38x = 19,192,408,829.47
  5. Step 5: Solve for x
    x = 19,192,408,829.47/159,058.38
  6. Step 6: Final answer
    x = 120,662.67

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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.