Home / 101,634.03-140,243.49-56,300.67

Finding the Fourth Proportional to 101,634.03, 140,243.49 and 56,300.67

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Solution

The fourth proportional to 101,634.03, 140,243.49 and 56,300.67 is: 77,688.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,634.03 : 140,243.49 = 56,300.67 : x
  2. Step 2: Convert to fraction form
    101,634.03/140,243.49 = 56,300.67/x
  3. Step 3: Cross multiply
    101,634.03x = 140,243.49 × 56,300.67
  4. Step 4: Simplify right side
    101,634.03x = 7,895,802,450.14
  5. Step 5: Solve for x
    x = 7,895,802,450.14/101,634.03
  6. Step 6: Final answer
    x = 77,688.57

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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.