Home / 190,599.30-286,012.35-72,282.60

Finding the Fourth Proportional to 190,599.30, 286,012.35 and 72,282.60

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Solution

The fourth proportional to 190,599.30, 286,012.35 and 72,282.60 is: 108,466.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,599.30 : 286,012.35 = 72,282.60 : x
  2. Step 2: Convert to fraction form
    190,599.30/286,012.35 = 72,282.60/x
  3. Step 3: Cross multiply
    190,599.30x = 286,012.35 × 72,282.60
  4. Step 4: Simplify right side
    190,599.30x = 20,673,716,290.11
  5. Step 5: Solve for x
    x = 20,673,716,290.11/190,599.30
  6. Step 6: Final answer
    x = 108,466.91

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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.