Home / 143,307.56-197,748.72-82,869.08

Finding the Fourth Proportional to 143,307.56, 197,748.72 and 82,869.08

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Solution

The fourth proportional to 143,307.56, 197,748.72 and 82,869.08 is: 114,350.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,307.56 : 197,748.72 = 82,869.08 : x
  2. Step 2: Convert to fraction form
    143,307.56/197,748.72 = 82,869.08/x
  3. Step 3: Cross multiply
    143,307.56x = 197,748.72 × 82,869.08
  4. Step 4: Simplify right side
    143,307.56x = 16,387,254,497.58
  5. Step 5: Solve for x
    x = 16,387,254,497.58/143,307.56
  6. Step 6: Final answer
    x = 114,350.24

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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.