Home / 143,150.71-214,659.40-53,130.73

Finding the Fourth Proportional to 143,150.71, 214,659.40 and 53,130.73

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Solution

The fourth proportional to 143,150.71, 214,659.40 and 53,130.73 is: 79,671.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,150.71 : 214,659.40 = 53,130.73 : x
  2. Step 2: Convert to fraction form
    143,150.71/214,659.40 = 53,130.73/x
  3. Step 3: Cross multiply
    143,150.71x = 214,659.40 × 53,130.73
  4. Step 4: Simplify right side
    143,150.71x = 11,405,010,623.36
  5. Step 5: Solve for x
    x = 11,405,010,623.36/143,150.71
  6. Step 6: Final answer
    x = 79,671.35

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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.