Home / 423,276.51-634,934.21-107,736.15

Finding the Fourth Proportional to 423,276.51, 634,934.21 and 107,736.15

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Solution

The fourth proportional to 423,276.51, 634,934.21 and 107,736.15 is: 161,609.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,276.51 : 634,934.21 = 107,736.15 : x
  2. Step 2: Convert to fraction form
    423,276.51/634,934.21 = 107,736.15/x
  3. Step 3: Cross multiply
    423,276.51x = 634,934.21 × 107,736.15
  4. Step 4: Simplify right side
    423,276.51x = 68,405,366,750.01
  5. Step 5: Solve for x
    x = 68,405,366,750.01/423,276.51
  6. Step 6: Final answer
    x = 161,609.17

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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.