Home / 163,991.32-245,833.38-89,001.40

Finding the Fourth Proportional to 163,991.32, 245,833.38 and 89,001.40

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Solution

The fourth proportional to 163,991.32, 245,833.38 and 89,001.40 is: 133,418.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,991.32 : 245,833.38 = 89,001.40 : x
  2. Step 2: Convert to fraction form
    163,991.32/245,833.38 = 89,001.40/x
  3. Step 3: Cross multiply
    163,991.32x = 245,833.38 × 89,001.40
  4. Step 4: Simplify right side
    163,991.32x = 21,879,514,986.73
  5. Step 5: Solve for x
    x = 21,879,514,986.73/163,991.32
  6. Step 6: Final answer
    x = 133,418.74

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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.