Home / 133,425.23-199,961.06-83,386.67

Finding the Fourth Proportional to 133,425.23, 199,961.06 and 83,386.67

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Solution

The fourth proportional to 133,425.23, 199,961.06 and 83,386.67 is: 124,969.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,425.23 : 199,961.06 = 83,386.67 : x
  2. Step 2: Convert to fraction form
    133,425.23/199,961.06 = 83,386.67/x
  3. Step 3: Cross multiply
    133,425.23x = 199,961.06 × 83,386.67
  4. Step 4: Simplify right side
    133,425.23x = 16,674,085,506.33
  5. Step 5: Solve for x
    x = 16,674,085,506.33/133,425.23
  6. Step 6: Final answer
    x = 124,969.51

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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.