Home / 143,301.16-214,953.80-54,559.54

Finding the Fourth Proportional to 143,301.16, 214,953.80 and 54,559.54

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Solution

The fourth proportional to 143,301.16, 214,953.80 and 54,559.54 is: 81,840.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,301.16 : 214,953.80 = 54,559.54 : x
  2. Step 2: Convert to fraction form
    143,301.16/214,953.80 = 54,559.54/x
  3. Step 3: Cross multiply
    143,301.16x = 214,953.80 × 54,559.54
  4. Step 4: Simplify right side
    143,301.16x = 11,727,779,639.07
  5. Step 5: Solve for x
    x = 11,727,779,639.07/143,301.16
  6. Step 6: Final answer
    x = 81,840.09

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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.