Home / 125,936.03-188,903.86-86,373.20

Finding the Fourth Proportional to 125,936.03, 188,903.86 and 86,373.20

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Solution

The fourth proportional to 125,936.03, 188,903.86 and 86,373.20 is: 129,559.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,936.03 : 188,903.86 = 86,373.20 : x
  2. Step 2: Convert to fraction form
    125,936.03/188,903.86 = 86,373.20/x
  3. Step 3: Cross multiply
    125,936.03x = 188,903.86 × 86,373.20
  4. Step 4: Simplify right side
    125,936.03x = 16,316,230,880.55
  5. Step 5: Solve for x
    x = 16,316,230,880.55/125,936.03
  6. Step 6: Final answer
    x = 129,559.67

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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.