Home / 113,837.90-170,805.45-54,643.10

Finding the Fourth Proportional to 113,837.90, 170,805.45 and 54,643.10

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Solution

The fourth proportional to 113,837.90, 170,805.45 and 54,643.10 is: 81,987.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,837.90 : 170,805.45 = 54,643.10 : x
  2. Step 2: Convert to fraction form
    113,837.90/170,805.45 = 54,643.10/x
  3. Step 3: Cross multiply
    113,837.90x = 170,805.45 × 54,643.10
  4. Step 4: Simplify right side
    113,837.90x = 9,333,339,284.90
  5. Step 5: Solve for x
    x = 9,333,339,284.90/113,837.90
  6. Step 6: Final answer
    x = 81,987.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.