Home / 142,148.84-213,197.46-36,961.28

Finding the Fourth Proportional to 142,148.84, 213,197.46 and 36,961.28

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Solution

The fourth proportional to 142,148.84, 213,197.46 and 36,961.28 is: 55,435.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,148.84 : 213,197.46 = 36,961.28 : x
  2. Step 2: Convert to fraction form
    142,148.84/213,197.46 = 36,961.28/x
  3. Step 3: Cross multiply
    142,148.84x = 213,197.46 × 36,961.28
  4. Step 4: Simplify right side
    142,148.84x = 7,880,051,014.35
  5. Step 5: Solve for x
    x = 7,880,051,014.35/142,148.84
  6. Step 6: Final answer
    x = 55,435.21

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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.