Home / 199,945.65-299,426.40-133,023.45

Finding the Fourth Proportional to 199,945.65, 299,426.40 and 133,023.45

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Solution

The fourth proportional to 199,945.65, 299,426.40 and 133,023.45 is: 199,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,945.65 : 299,426.40 = 133,023.45 : x
  2. Step 2: Convert to fraction form
    199,945.65/299,426.40 = 133,023.45/x
  3. Step 3: Cross multiply
    199,945.65x = 299,426.40 × 133,023.45
  4. Step 4: Simplify right side
    199,945.65x = 39,830,732,749.08
  5. Step 5: Solve for x
    x = 39,830,732,749.08/199,945.65
  6. Step 6: Final answer
    x = 199,207.80

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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.