Home / 104,816.40-144,624.24-66,588

Finding the Fourth Proportional to 104,816.40, 144,624.24 and 66,588

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Solution

The fourth proportional to 104,816.40, 144,624.24 and 66,588 is: 91,877.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,816.40 : 144,624.24 = 66,588 : x
  2. Step 2: Convert to fraction form
    104,816.40/144,624.24 = 66,588/x
  3. Step 3: Cross multiply
    104,816.40x = 144,624.24 × 66,588
  4. Step 4: Simplify right side
    104,816.40x = 9,630,238,893.12
  5. Step 5: Solve for x
    x = 9,630,238,893.12/104,816.40
  6. Step 6: Final answer
    x = 91,877.21

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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.