Home / 103,613.60-155,420.40-37,085.60

Finding the Fourth Proportional to 103,613.60, 155,420.40 and 37,085.60

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Solution

The fourth proportional to 103,613.60, 155,420.40 and 37,085.60 is: 55,628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,613.60 : 155,420.40 = 37,085.60 : x
  2. Step 2: Convert to fraction form
    103,613.60/155,420.40 = 37,085.60/x
  3. Step 3: Cross multiply
    103,613.60x = 155,420.40 × 37,085.60
  4. Step 4: Simplify right side
    103,613.60x = 5,763,858,786.24
  5. Step 5: Solve for x
    x = 5,763,858,786.24/103,613.60
  6. Step 6: Final answer
    x = 55,628.40

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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.