Home / 162,344.40-223,890.21-101,920.67

Finding the Fourth Proportional to 162,344.40, 223,890.21 and 101,920.67

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Solution

The fourth proportional to 162,344.40, 223,890.21 and 101,920.67 is: 140,559.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,344.40 : 223,890.21 = 101,920.67 : x
  2. Step 2: Convert to fraction form
    162,344.40/223,890.21 = 101,920.67/x
  3. Step 3: Cross multiply
    162,344.40x = 223,890.21 × 101,920.67
  4. Step 4: Simplify right side
    162,344.40x = 22,819,040,769.37
  5. Step 5: Solve for x
    x = 22,819,040,769.37/162,344.40
  6. Step 6: Final answer
    x = 140,559.46

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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.