Home / 142,869.56-214,289.28-58,638.60

Finding the Fourth Proportional to 142,869.56, 214,289.28 and 58,638.60

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Solution

The fourth proportional to 142,869.56, 214,289.28 and 58,638.60 is: 87,951.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,869.56 : 214,289.28 = 58,638.60 : x
  2. Step 2: Convert to fraction form
    142,869.56/214,289.28 = 58,638.60/x
  3. Step 3: Cross multiply
    142,869.56x = 214,289.28 × 58,638.60
  4. Step 4: Simplify right side
    142,869.56x = 12,565,623,374.21
  5. Step 5: Solve for x
    x = 12,565,623,374.21/142,869.56
  6. Step 6: Final answer
    x = 87,951.72

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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.