Home / 130,668.84-180,012.42-124,344.36

Finding the Fourth Proportional to 130,668.84, 180,012.42 and 124,344.36

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Solution

The fourth proportional to 130,668.84, 180,012.42 and 124,344.36 is: 171,299.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,668.84 : 180,012.42 = 124,344.36 : x
  2. Step 2: Convert to fraction form
    130,668.84/180,012.42 = 124,344.36/x
  3. Step 3: Cross multiply
    130,668.84x = 180,012.42 × 124,344.36
  4. Step 4: Simplify right side
    130,668.84x = 22,383,529,156.95
  5. Step 5: Solve for x
    x = 22,383,529,156.95/130,668.84
  6. Step 6: Final answer
    x = 171,299.67

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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.