Home / 142,057.75-213,087.03-36,877.63

Finding the Fourth Proportional to 142,057.75, 213,087.03 and 36,877.63

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Solution

The fourth proportional to 142,057.75, 213,087.03 and 36,877.63 is: 55,316.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,057.75 : 213,087.03 = 36,877.63 : x
  2. Step 2: Convert to fraction form
    142,057.75/213,087.03 = 36,877.63/x
  3. Step 3: Cross multiply
    142,057.75x = 213,087.03 × 36,877.63
  4. Step 4: Simplify right side
    142,057.75x = 7,858,144,650.14
  5. Step 5: Solve for x
    x = 7,858,144,650.14/142,057.75
  6. Step 6: Final answer
    x = 55,316.55

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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.