Home / 141,986.09-212,899.25-47,165.54

Finding the Fourth Proportional to 141,986.09, 212,899.25 and 47,165.54

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Solution

The fourth proportional to 141,986.09, 212,899.25 and 47,165.54 is: 70,721.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,986.09 : 212,899.25 = 47,165.54 : x
  2. Step 2: Convert to fraction form
    141,986.09/212,899.25 = 47,165.54/x
  3. Step 3: Cross multiply
    141,986.09x = 212,899.25 × 47,165.54
  4. Step 4: Simplify right side
    141,986.09x = 10,041,507,145.26
  5. Step 5: Solve for x
    x = 10,041,507,145.26/141,986.09
  6. Step 6: Final answer
    x = 70,721.77

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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.