Home / 183,554.12-253,308.59-102,987.47

Finding the Fourth Proportional to 183,554.12, 253,308.59 and 102,987.47

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Solution

The fourth proportional to 183,554.12, 253,308.59 and 102,987.47 is: 142,124.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,554.12 : 253,308.59 = 102,987.47 : x
  2. Step 2: Convert to fraction form
    183,554.12/253,308.59 = 102,987.47/x
  3. Step 3: Cross multiply
    183,554.12x = 253,308.59 × 102,987.47
  4. Step 4: Simplify right side
    183,554.12x = 26,087,609,031.89
  5. Step 5: Solve for x
    x = 26,087,609,031.89/183,554.12
  6. Step 6: Final answer
    x = 142,124.89

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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.