Home / 130,288.09-195,460.82-74,154.62

Finding the Fourth Proportional to 130,288.09, 195,460.82 and 74,154.62

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Solution

The fourth proportional to 130,288.09, 195,460.82 and 74,154.62 is: 111,248.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,288.09 : 195,460.82 = 74,154.62 : x
  2. Step 2: Convert to fraction form
    130,288.09/195,460.82 = 74,154.62/x
  3. Step 3: Cross multiply
    130,288.09x = 195,460.82 × 74,154.62
  4. Step 4: Simplify right side
    130,288.09x = 14,494,322,831.99
  5. Step 5: Solve for x
    x = 14,494,322,831.99/130,288.09
  6. Step 6: Final answer
    x = 111,248.26

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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.