Home / 142,349.92-196,315.62-118,112.48

Finding the Fourth Proportional to 142,349.92, 196,315.62 and 118,112.48

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Solution

The fourth proportional to 142,349.92, 196,315.62 and 118,112.48 is: 162,889.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,349.92 : 196,315.62 = 118,112.48 : x
  2. Step 2: Convert to fraction form
    142,349.92/196,315.62 = 118,112.48/x
  3. Step 3: Cross multiply
    142,349.92x = 196,315.62 × 118,112.48
  4. Step 4: Simplify right side
    142,349.92x = 23,187,324,740.94
  5. Step 5: Solve for x
    x = 23,187,324,740.94/142,349.92
  6. Step 6: Final answer
    x = 162,889.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.