Home / 142,343.64-213,519.30-37,160.28

Finding the Fourth Proportional to 142,343.64, 213,519.30 and 37,160.28

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Solution

The fourth proportional to 142,343.64, 213,519.30 and 37,160.28 is: 55,741.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,343.64 : 213,519.30 = 37,160.28 : x
  2. Step 2: Convert to fraction form
    142,343.64/213,519.30 = 37,160.28/x
  3. Step 3: Cross multiply
    142,343.64x = 213,519.30 × 37,160.28
  4. Step 4: Simplify right side
    142,343.64x = 7,934,436,973.40
  5. Step 5: Solve for x
    x = 7,934,436,973.40/142,343.64
  6. Step 6: Final answer
    x = 55,741.42

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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.