Home / 188,323.34-259,885.10-102,281.36

Finding the Fourth Proportional to 188,323.34, 259,885.10 and 102,281.36

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Solution

The fourth proportional to 188,323.34, 259,885.10 and 102,281.36 is: 141,147.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,323.34 : 259,885.10 = 102,281.36 : x
  2. Step 2: Convert to fraction form
    188,323.34/259,885.10 = 102,281.36/x
  3. Step 3: Cross multiply
    188,323.34x = 259,885.10 × 102,281.36
  4. Step 4: Simplify right side
    188,323.34x = 26,581,401,471.74
  5. Step 5: Solve for x
    x = 26,581,401,471.74/188,323.34
  6. Step 6: Final answer
    x = 141,147.67

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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.