Home / 143,365.58-215,131.28-59,110.02

Finding the Fourth Proportional to 143,365.58, 215,131.28 and 59,110.02

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Solution

The fourth proportional to 143,365.58, 215,131.28 and 59,110.02 is: 88,699.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,365.58 : 215,131.28 = 59,110.02 : x
  2. Step 2: Convert to fraction form
    143,365.58/215,131.28 = 59,110.02/x
  3. Step 3: Cross multiply
    143,365.58x = 215,131.28 × 59,110.02
  4. Step 4: Simplify right side
    143,365.58x = 12,716,414,263.43
  5. Step 5: Solve for x
    x = 12,716,414,263.43/143,365.58
  6. Step 6: Final answer
    x = 88,699.21

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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.