Home / 142,067.24-212,951.02-47,271.96

Finding the Fourth Proportional to 142,067.24, 212,951.02 and 47,271.96

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Solution

The fourth proportional to 142,067.24, 212,951.02 and 47,271.96 is: 70,858.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,067.24 : 212,951.02 = 47,271.96 : x
  2. Step 2: Convert to fraction form
    142,067.24/212,951.02 = 47,271.96/x
  3. Step 3: Cross multiply
    142,067.24x = 212,951.02 × 47,271.96
  4. Step 4: Simplify right side
    142,067.24x = 10,066,612,099.40
  5. Step 5: Solve for x
    x = 10,066,612,099.40/142,067.24
  6. Step 6: Final answer
    x = 70,858.08

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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.