Home / 130,007.60-194,683.35-103,763.60

Finding the Fourth Proportional to 130,007.60, 194,683.35 and 103,763.60

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Solution

The fourth proportional to 130,007.60, 194,683.35 and 103,763.60 is: 155,383.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,007.60 : 194,683.35 = 103,763.60 : x
  2. Step 2: Convert to fraction form
    130,007.60/194,683.35 = 103,763.60/x
  3. Step 3: Cross multiply
    130,007.60x = 194,683.35 × 103,763.60
  4. Step 4: Simplify right side
    130,007.60x = 20,201,045,256.06
  5. Step 5: Solve for x
    x = 20,201,045,256.06/130,007.60
  6. Step 6: Final answer
    x = 155,383.57

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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.