Home / 130,853.70-196,280.55-121,133.70

Finding the Fourth Proportional to 130,853.70, 196,280.55 and 121,133.70

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Solution

The fourth proportional to 130,853.70, 196,280.55 and 121,133.70 is: 181,700.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,853.70 : 196,280.55 = 121,133.70 : x
  2. Step 2: Convert to fraction form
    130,853.70/196,280.55 = 121,133.70/x
  3. Step 3: Cross multiply
    130,853.70x = 196,280.55 × 121,133.70
  4. Step 4: Simplify right side
    130,853.70x = 23,776,189,259.54
  5. Step 5: Solve for x
    x = 23,776,189,259.54/130,853.70
  6. Step 6: Final answer
    x = 181,700.55

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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.