Home / 109,422.33-151,003.97-61,675.67

Finding the Fourth Proportional to 109,422.33, 151,003.97 and 61,675.67

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Solution

The fourth proportional to 109,422.33, 151,003.97 and 61,675.67 is: 85,113.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,422.33 : 151,003.97 = 61,675.67 : x
  2. Step 2: Convert to fraction form
    109,422.33/151,003.97 = 61,675.67/x
  3. Step 3: Cross multiply
    109,422.33x = 151,003.97 × 61,675.67
  4. Step 4: Simplify right side
    109,422.33x = 9,313,271,322.83
  5. Step 5: Solve for x
    x = 9,313,271,322.83/109,422.33
  6. Step 6: Final answer
    x = 85,113.08

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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.