Home / 236,277.90-326,057.58-128,850

Finding the Fourth Proportional to 236,277.90, 326,057.58 and 128,850

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Solution

The fourth proportional to 236,277.90, 326,057.58 and 128,850 is: 177,809.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,277.90 : 326,057.58 = 128,850 : x
  2. Step 2: Convert to fraction form
    236,277.90/326,057.58 = 128,850/x
  3. Step 3: Cross multiply
    236,277.90x = 326,057.58 × 128,850
  4. Step 4: Simplify right side
    236,277.90x = 42,012,519,183
  5. Step 5: Solve for x
    x = 42,012,519,183/236,277.90
  6. Step 6: Final answer
    x = 177,809.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.