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Finding the Fourth Proportional to 104,102.19, 143,655.55 and 61,075.69

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Solution

The fourth proportional to 104,102.19, 143,655.55 and 61,075.69 is: 84,281.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,102.19 : 143,655.55 = 61,075.69 : x
  2. Step 2: Convert to fraction form
    104,102.19/143,655.55 = 61,075.69/x
  3. Step 3: Cross multiply
    104,102.19x = 143,655.55 × 61,075.69
  4. Step 4: Simplify right side
    104,102.19x = 8,773,861,326.75
  5. Step 5: Solve for x
    x = 8,773,861,326.75/104,102.19
  6. Step 6: Final answer
    x = 84,281.24

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.