Home / 104,265.90-143,887.68-56,520

Finding the Fourth Proportional to 104,265.90, 143,887.68 and 56,520

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Solution

The fourth proportional to 104,265.90, 143,887.68 and 56,520 is: 77,998.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,265.90 : 143,887.68 = 56,520 : x
  2. Step 2: Convert to fraction form
    104,265.90/143,887.68 = 56,520/x
  3. Step 3: Cross multiply
    104,265.90x = 143,887.68 × 56,520
  4. Step 4: Simplify right side
    104,265.90x = 8,132,531,673.60
  5. Step 5: Solve for x
    x = 8,132,531,673.60/104,265.90
  6. Step 6: Final answer
    x = 77,998.00

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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.