Home / 142,594.56-214,099.20-105,269.76

Finding the Fourth Proportional to 142,594.56, 214,099.20 and 105,269.76

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Solution

The fourth proportional to 142,594.56, 214,099.20 and 105,269.76 is: 158,057.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,594.56 : 214,099.20 = 105,269.76 : x
  2. Step 2: Convert to fraction form
    142,594.56/214,099.20 = 105,269.76/x
  3. Step 3: Cross multiply
    142,594.56x = 214,099.20 × 105,269.76
  4. Step 4: Simplify right side
    142,594.56x = 22,538,171,400.19
  5. Step 5: Solve for x
    x = 22,538,171,400.19/142,594.56
  6. Step 6: Final answer
    x = 158,057.72

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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.