Home / 165,905.69-248,700.86-105,765.35

Finding the Fourth Proportional to 165,905.69, 248,700.86 and 105,765.35

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Solution

The fourth proportional to 165,905.69, 248,700.86 and 105,765.35 is: 158,547.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,905.69 : 248,700.86 = 105,765.35 : x
  2. Step 2: Convert to fraction form
    165,905.69/248,700.86 = 105,765.35/x
  3. Step 3: Cross multiply
    165,905.69x = 248,700.86 × 105,765.35
  4. Step 4: Simplify right side
    165,905.69x = 26,303,932,259.70
  5. Step 5: Solve for x
    x = 26,303,932,259.70/165,905.69
  6. Step 6: Final answer
    x = 158,547.50

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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.