Home / 157,518.20-236,277.30-82,609.40

Finding the Fourth Proportional to 157,518.20, 236,277.30 and 82,609.40

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Solution

The fourth proportional to 157,518.20, 236,277.30 and 82,609.40 is: 123,914.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,518.20 : 236,277.30 = 82,609.40 : x
  2. Step 2: Convert to fraction form
    157,518.20/236,277.30 = 82,609.40/x
  3. Step 3: Cross multiply
    157,518.20x = 236,277.30 × 82,609.40
  4. Step 4: Simplify right side
    157,518.20x = 19,518,725,986.62
  5. Step 5: Solve for x
    x = 19,518,725,986.62/157,518.20
  6. Step 6: Final answer
    x = 123,914.10

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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.