Home / 130,039.42-195,115.47-45,859.74

Finding the Fourth Proportional to 130,039.42, 195,115.47 and 45,859.74

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Solution

The fourth proportional to 130,039.42, 195,115.47 and 45,859.74 is: 68,809.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,039.42 : 195,115.47 = 45,859.74 : x
  2. Step 2: Convert to fraction form
    130,039.42/195,115.47 = 45,859.74/x
  3. Step 3: Cross multiply
    130,039.42x = 195,115.47 × 45,859.74
  4. Step 4: Simplify right side
    130,039.42x = 8,947,944,724.18
  5. Step 5: Solve for x
    x = 8,947,944,724.18/130,039.42
  6. Step 6: Final answer
    x = 68,809.48

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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.