Home / 142,868.44-214,258.91-98,778.52

Finding the Fourth Proportional to 142,868.44, 214,258.91 and 98,778.52

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Solution

The fourth proportional to 142,868.44, 214,258.91 and 98,778.52 is: 148,137.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,868.44 : 214,258.91 = 98,778.52 : x
  2. Step 2: Convert to fraction form
    142,868.44/214,258.91 = 98,778.52/x
  3. Step 3: Cross multiply
    142,868.44x = 214,258.91 × 98,778.52
  4. Step 4: Simplify right side
    142,868.44x = 21,164,178,026.61
  5. Step 5: Solve for x
    x = 21,164,178,026.61/142,868.44
  6. Step 6: Final answer
    x = 148,137.53

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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.