Home / 104,218.98-143,821.76-56,472.52

Finding the Fourth Proportional to 104,218.98, 143,821.76 and 56,472.52

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Solution

The fourth proportional to 104,218.98, 143,821.76 and 56,472.52 is: 77,931.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,218.98 : 143,821.76 = 56,472.52 : x
  2. Step 2: Convert to fraction form
    104,218.98/143,821.76 = 56,472.52/x
  3. Step 3: Cross multiply
    104,218.98x = 143,821.76 × 56,472.52
  4. Step 4: Simplify right side
    104,218.98x = 8,121,977,218.04
  5. Step 5: Solve for x
    x = 8,121,977,218.04/104,218.98
  6. Step 6: Final answer
    x = 77,931.84

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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.