Home / 142,938.89-214,353.67-48,143.57

Finding the Fourth Proportional to 142,938.89, 214,353.67 and 48,143.57

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Solution

The fourth proportional to 142,938.89, 214,353.67 and 48,143.57 is: 72,196.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,938.89 : 214,353.67 = 48,143.57 : x
  2. Step 2: Convert to fraction form
    142,938.89/214,353.67 = 48,143.57/x
  3. Step 3: Cross multiply
    142,938.89x = 214,353.67 × 48,143.57
  4. Step 4: Simplify right side
    142,938.89x = 10,319,749,724.27
  5. Step 5: Solve for x
    x = 10,319,749,724.27/142,938.89
  6. Step 6: Final answer
    x = 72,196.93

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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.