Home / 130,859.47-196,289.27-42,112.97

Finding the Fourth Proportional to 130,859.47, 196,289.27 and 42,112.97

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Solution

The fourth proportional to 130,859.47, 196,289.27 and 42,112.97 is: 63,169.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,859.47 : 196,289.27 = 42,112.97 : x
  2. Step 2: Convert to fraction form
    130,859.47/196,289.27 = 42,112.97/x
  3. Step 3: Cross multiply
    130,859.47x = 196,289.27 × 42,112.97
  4. Step 4: Simplify right side
    130,859.47x = 8,266,322,946.82
  5. Step 5: Solve for x
    x = 8,266,322,946.82/130,859.47
  6. Step 6: Final answer
    x = 63,169.47

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1.5x scale

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.