Home / 130,333.86-195,599.61-90,330.39

Finding the Fourth Proportional to 130,333.86, 195,599.61 and 90,330.39

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Solution

The fourth proportional to 130,333.86, 195,599.61 and 90,330.39 is: 135,564.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,333.86 : 195,599.61 = 90,330.39 : x
  2. Step 2: Convert to fraction form
    130,333.86/195,599.61 = 90,330.39/x
  3. Step 3: Cross multiply
    130,333.86x = 195,599.61 × 90,330.39
  4. Step 4: Simplify right side
    130,333.86x = 17,668,589,055.15
  5. Step 5: Solve for x
    x = 17,668,589,055.15/130,333.86
  6. Step 6: Final answer
    x = 135,564.07

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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.