Home / 143,437.48-197,950.73-79,773.91

Finding the Fourth Proportional to 143,437.48, 197,950.73 and 79,773.91

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Solution

The fourth proportional to 143,437.48, 197,950.73 and 79,773.91 is: 110,091.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,437.48 : 197,950.73 = 79,773.91 : x
  2. Step 2: Convert to fraction form
    143,437.48/197,950.73 = 79,773.91/x
  3. Step 3: Cross multiply
    143,437.48x = 197,950.73 × 79,773.91
  4. Step 4: Simplify right side
    143,437.48x = 15,791,303,719.45
  5. Step 5: Solve for x
    x = 15,791,303,719.45/143,437.48
  6. Step 6: Final answer
    x = 110,091.89

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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.