Home / 130,201.86-195,318.40-45,944.63

Finding the Fourth Proportional to 130,201.86, 195,318.40 and 45,944.63

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Solution

The fourth proportional to 130,201.86, 195,318.40 and 45,944.63 is: 68,922.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,201.86 : 195,318.40 = 45,944.63 : x
  2. Step 2: Convert to fraction form
    130,201.86/195,318.40 = 45,944.63/x
  3. Step 3: Cross multiply
    130,201.86x = 195,318.40 × 45,944.63
  4. Step 4: Simplify right side
    130,201.86x = 8,973,830,528.74
  5. Step 5: Solve for x
    x = 8,973,830,528.74/130,201.86
  6. Step 6: Final answer
    x = 68,922.44

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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.