Home / 163,514.70-245,272.05-121,524.30

Finding the Fourth Proportional to 163,514.70, 245,272.05 and 121,524.30

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Solution

The fourth proportional to 163,514.70, 245,272.05 and 121,524.30 is: 182,286.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,514.70 : 245,272.05 = 121,524.30 : x
  2. Step 2: Convert to fraction form
    163,514.70/245,272.05 = 121,524.30/x
  3. Step 3: Cross multiply
    163,514.70x = 245,272.05 × 121,524.30
  4. Step 4: Simplify right side
    163,514.70x = 29,806,514,185.82
  5. Step 5: Solve for x
    x = 29,806,514,185.82/163,514.70
  6. Step 6: Final answer
    x = 182,286.45

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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.