Home / 104,836.88-144,663.90-61,230.80

Finding the Fourth Proportional to 104,836.88, 144,663.90 and 61,230.80

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Solution

The fourth proportional to 104,836.88, 144,663.90 and 61,230.80 is: 84,492.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,836.88 : 144,663.90 = 61,230.80 : x
  2. Step 2: Convert to fraction form
    104,836.88/144,663.90 = 61,230.80/x
  3. Step 3: Cross multiply
    104,836.88x = 144,663.90 × 61,230.80
  4. Step 4: Simplify right side
    104,836.88x = 8,857,886,328.12
  5. Step 5: Solve for x
    x = 8,857,886,328.12/104,836.88
  6. Step 6: Final answer
    x = 84,492.08

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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.