Home / 142,217.46-213,361.26-42,377.25

Finding the Fourth Proportional to 142,217.46, 213,361.26 and 42,377.25

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Solution

The fourth proportional to 142,217.46, 213,361.26 and 42,377.25 is: 63,576.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,217.46 : 213,361.26 = 42,377.25 : x
  2. Step 2: Convert to fraction form
    142,217.46/213,361.26 = 42,377.25/x
  3. Step 3: Cross multiply
    142,217.46x = 213,361.26 × 42,377.25
  4. Step 4: Simplify right side
    142,217.46x = 9,041,663,455.34
  5. Step 5: Solve for x
    x = 9,041,663,455.34/142,217.46
  6. Step 6: Final answer
    x = 63,576.32

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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.