Home / 143,266.37-197,703.66-79,602.53

Finding the Fourth Proportional to 143,266.37, 197,703.66 and 79,602.53

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Solution

The fourth proportional to 143,266.37, 197,703.66 and 79,602.53 is: 109,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,266.37 : 197,703.66 = 79,602.53 : x
  2. Step 2: Convert to fraction form
    143,266.37/197,703.66 = 79,602.53/x
  3. Step 3: Cross multiply
    143,266.37x = 197,703.66 × 79,602.53
  4. Step 4: Simplify right side
    143,266.37x = 15,737,710,537.74
  5. Step 5: Solve for x
    x = 15,737,710,537.74/143,266.37
  6. Step 6: Final answer
    x = 109,849.30

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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.