Home / 151,427.40-208,967.00-83,450.67

Finding the Fourth Proportional to 151,427.40, 208,967.00 and 83,450.67

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Solution

The fourth proportional to 151,427.40, 208,967.00 and 83,450.67 is: 115,160.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,427.40 : 208,967.00 = 83,450.67 : x
  2. Step 2: Convert to fraction form
    151,427.40/208,967.00 = 83,450.67/x
  3. Step 3: Cross multiply
    151,427.40x = 208,967.00 × 83,450.67
  4. Step 4: Simplify right side
    151,427.40x = 17,438,435,740.64
  5. Step 5: Solve for x
    x = 17,438,435,740.64/151,427.40
  6. Step 6: Final answer
    x = 115,160.37

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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.