Home / 142,838.51-214,260.80-48,071.54

Finding the Fourth Proportional to 142,838.51, 214,260.80 and 48,071.54

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Solution

The fourth proportional to 142,838.51, 214,260.80 and 48,071.54 is: 72,108.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,838.51 : 214,260.80 = 48,071.54 : x
  2. Step 2: Convert to fraction form
    142,838.51/214,260.80 = 48,071.54/x
  3. Step 3: Cross multiply
    142,838.51x = 214,260.80 × 48,071.54
  4. Step 4: Simplify right side
    142,838.51x = 10,299,846,912.93
  5. Step 5: Solve for x
    x = 10,299,846,912.93/142,838.51
  6. Step 6: Final answer
    x = 72,108.34

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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.