Home / 193,426.74-266,914.71-107,390.70

Finding the Fourth Proportional to 193,426.74, 266,914.71 and 107,390.70

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Solution

The fourth proportional to 193,426.74, 266,914.71 and 107,390.70 is: 148,191.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,426.74 : 266,914.71 = 107,390.70 : x
  2. Step 2: Convert to fraction form
    193,426.74/266,914.71 = 107,390.70/x
  3. Step 3: Cross multiply
    193,426.74x = 266,914.71 × 107,390.70
  4. Step 4: Simplify right side
    193,426.74x = 28,664,157,547.20
  5. Step 5: Solve for x
    x = 28,664,157,547.20/193,426.74
  6. Step 6: Final answer
    x = 148,191.29

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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.