Home / 143,378.26-215,093.36-59,091.51

Finding the Fourth Proportional to 143,378.26, 215,093.36 and 59,091.51

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Solution

The fourth proportional to 143,378.26, 215,093.36 and 59,091.51 is: 88,647.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,378.26 : 215,093.36 = 59,091.51 : x
  2. Step 2: Convert to fraction form
    143,378.26/215,093.36 = 59,091.51/x
  3. Step 3: Cross multiply
    143,378.26x = 215,093.36 × 59,091.51
  4. Step 4: Simplify right side
    143,378.26x = 12,710,191,433.37
  5. Step 5: Solve for x
    x = 12,710,191,433.37/143,378.26
  6. Step 6: Final answer
    x = 88,647.97

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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.