Home / 165,444.69-248,194.71-129,904.57

Finding the Fourth Proportional to 165,444.69, 248,194.71 and 129,904.57

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Solution

The fourth proportional to 165,444.69, 248,194.71 and 129,904.57 is: 194,878.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,444.69 : 248,194.71 = 129,904.57 : x
  2. Step 2: Convert to fraction form
    165,444.69/248,194.71 = 129,904.57/x
  3. Step 3: Cross multiply
    165,444.69x = 248,194.71 × 129,904.57
  4. Step 4: Simplify right side
    165,444.69x = 32,241,627,389.07
  5. Step 5: Solve for x
    x = 32,241,627,389.07/165,444.69
  6. Step 6: Final answer
    x = 194,878.59

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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.