Home / 84,266.70-126,391.29-28,100.67

Finding the Fourth Proportional to 84,266.70, 126,391.29 and 28,100.67

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Solution

The fourth proportional to 84,266.70, 126,391.29 and 28,100.67 is: 42,148.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,266.70 : 126,391.29 = 28,100.67 : x
  2. Step 2: Convert to fraction form
    84,266.70/126,391.29 = 28,100.67/x
  3. Step 3: Cross multiply
    84,266.70x = 126,391.29 × 28,100.67
  4. Step 4: Simplify right side
    84,266.70x = 3,551,680,062.77
  5. Step 5: Solve for x
    x = 3,551,680,062.77/84,266.70
  6. Step 6: Final answer
    x = 42,148.08

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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.