Home / 90,848.09-136,277.60-38,261.67

Finding the Fourth Proportional to 90,848.09, 136,277.60 and 38,261.67

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Solution

The fourth proportional to 90,848.09, 136,277.60 and 38,261.67 is: 57,394.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,848.09 : 136,277.60 = 38,261.67 : x
  2. Step 2: Convert to fraction form
    90,848.09/136,277.60 = 38,261.67/x
  3. Step 3: Cross multiply
    90,848.09x = 136,277.60 × 38,261.67
  4. Step 4: Simplify right side
    90,848.09x = 5,214,208,559.59
  5. Step 5: Solve for x
    x = 5,214,208,559.59/90,848.09
  6. Step 6: Final answer
    x = 57,394.81

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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.