Home / 104,655.14-144,406.57-61,643.20

Finding the Fourth Proportional to 104,655.14, 144,406.57 and 61,643.20

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Solution

The fourth proportional to 104,655.14, 144,406.57 and 61,643.20 is: 85,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,655.14 : 144,406.57 = 61,643.20 : x
  2. Step 2: Convert to fraction form
    104,655.14/144,406.57 = 61,643.20/x
  3. Step 3: Cross multiply
    104,655.14x = 144,406.57 × 61,643.20
  4. Step 4: Simplify right side
    104,655.14x = 8,901,683,526.56
  5. Step 5: Solve for x
    x = 8,901,683,526.56/104,655.14
  6. Step 6: Final answer
    x = 85,057.30

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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.