Home / 134,429.04-201,619.08-39,639.60

Finding the Fourth Proportional to 134,429.04, 201,619.08 and 39,639.60

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Solution

The fourth proportional to 134,429.04, 201,619.08 and 39,639.60 is: 59,452.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,429.04 : 201,619.08 = 39,639.60 : x
  2. Step 2: Convert to fraction form
    134,429.04/201,619.08 = 39,639.60/x
  3. Step 3: Cross multiply
    134,429.04x = 201,619.08 × 39,639.60
  4. Step 4: Simplify right side
    134,429.04x = 7,992,099,683.57
  5. Step 5: Solve for x
    x = 7,992,099,683.57/134,429.04
  6. Step 6: Final answer
    x = 59,452.18

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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.