Home / 151,996.45-209,646.29-106,684.51

Finding the Fourth Proportional to 151,996.45, 209,646.29 and 106,684.51

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Solution

The fourth proportional to 151,996.45, 209,646.29 and 106,684.51 is: 147,148.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,996.45 : 209,646.29 = 106,684.51 : x
  2. Step 2: Convert to fraction form
    151,996.45/209,646.29 = 106,684.51/x
  3. Step 3: Cross multiply
    151,996.45x = 209,646.29 × 106,684.51
  4. Step 4: Simplify right side
    151,996.45x = 22,366,010,140.31
  5. Step 5: Solve for x
    x = 22,366,010,140.31/151,996.45
  6. Step 6: Final answer
    x = 147,148.25

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1.5x scale

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.