Home / 165,537.90-248,436.45-76,802.40

Finding the Fourth Proportional to 165,537.90, 248,436.45 and 76,802.40

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Solution

The fourth proportional to 165,537.90, 248,436.45 and 76,802.40 is: 115,263.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,537.90 : 248,436.45 = 76,802.40 : x
  2. Step 2: Convert to fraction form
    165,537.90/248,436.45 = 76,802.40/x
  3. Step 3: Cross multiply
    165,537.90x = 248,436.45 × 76,802.40
  4. Step 4: Simplify right side
    165,537.90x = 19,080,515,607.48
  5. Step 5: Solve for x
    x = 19,080,515,607.48/165,537.90
  6. Step 6: Final answer
    x = 115,263.73

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1.5x scale

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.