Home / 119,289.66-178,973.37-60,120.78

Finding the Fourth Proportional to 119,289.66, 178,973.37 and 60,120.78

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Solution

The fourth proportional to 119,289.66, 178,973.37 and 60,120.78 is: 90,200.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,289.66 : 178,973.37 = 60,120.78 : x
  2. Step 2: Convert to fraction form
    119,289.66/178,973.37 = 60,120.78/x
  3. Step 3: Cross multiply
    119,289.66x = 178,973.37 × 60,120.78
  4. Step 4: Simplify right side
    119,289.66x = 10,760,018,603.63
  5. Step 5: Solve for x
    x = 10,760,018,603.63/119,289.66
  6. Step 6: Final answer
    x = 90,200.77

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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.