Home / 142,973.30-197,312.51-82,546.49

Finding the Fourth Proportional to 142,973.30, 197,312.51 and 82,546.49

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Solution

The fourth proportional to 142,973.30, 197,312.51 and 82,546.49 is: 113,919.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,973.30 : 197,312.51 = 82,546.49 : x
  2. Step 2: Convert to fraction form
    142,973.30/197,312.51 = 82,546.49/x
  3. Step 3: Cross multiply
    142,973.30x = 197,312.51 × 82,546.49
  4. Step 4: Simplify right side
    142,973.30x = 16,287,455,368.91
  5. Step 5: Solve for x
    x = 16,287,455,368.91/142,973.30
  6. Step 6: Final answer
    x = 113,919.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.