Home / 143,140.70-214,711.05-101,150.30

Finding the Fourth Proportional to 143,140.70, 214,711.05 and 101,150.30

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Solution

The fourth proportional to 143,140.70, 214,711.05 and 101,150.30 is: 151,725.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,140.70 : 214,711.05 = 101,150.30 : x
  2. Step 2: Convert to fraction form
    143,140.70/214,711.05 = 101,150.30/x
  3. Step 3: Cross multiply
    143,140.70x = 214,711.05 × 101,150.30
  4. Step 4: Simplify right side
    143,140.70x = 21,718,087,120.82
  5. Step 5: Solve for x
    x = 21,718,087,120.82/143,140.70
  6. Step 6: Final answer
    x = 151,725.45

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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.