Home / 130,034.60-194,723.85-103,790.60

Finding the Fourth Proportional to 130,034.60, 194,723.85 and 103,790.60

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Solution

The fourth proportional to 130,034.60, 194,723.85 and 103,790.60 is: 155,424.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,034.60 : 194,723.85 = 103,790.60 : x
  2. Step 2: Convert to fraction form
    130,034.60/194,723.85 = 103,790.60/x
  3. Step 3: Cross multiply
    130,034.60x = 194,723.85 × 103,790.60
  4. Step 4: Simplify right side
    130,034.60x = 20,210,505,225.81
  5. Step 5: Solve for x
    x = 20,210,505,225.81/130,034.60
  6. Step 6: Final answer
    x = 155,424.06

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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.