Home / 104,261.69-143,877.28-56,514.01

Finding the Fourth Proportional to 104,261.69, 143,877.28 and 56,514.01

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Solution

The fourth proportional to 104,261.69, 143,877.28 and 56,514.01 is: 77,987.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,261.69 : 143,877.28 = 56,514.01 : x
  2. Step 2: Convert to fraction form
    104,261.69/143,877.28 = 56,514.01/x
  3. Step 3: Cross multiply
    104,261.69x = 143,877.28 × 56,514.01
  4. Step 4: Simplify right side
    104,261.69x = 8,131,082,040.69
  5. Step 5: Solve for x
    x = 8,131,082,040.69/104,261.69
  6. Step 6: Final answer
    x = 77,987.25

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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.