Home / 205,348.53-307,273.45-121,149.03

Finding the Fourth Proportional to 205,348.53, 307,273.45 and 121,149.03

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Solution

The fourth proportional to 205,348.53, 307,273.45 and 121,149.03 is: 181,281.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,348.53 : 307,273.45 = 121,149.03 : x
  2. Step 2: Convert to fraction form
    205,348.53/307,273.45 = 121,149.03/x
  3. Step 3: Cross multiply
    205,348.53x = 307,273.45 × 121,149.03
  4. Step 4: Simplify right side
    205,348.53x = 37,225,881,488.81
  5. Step 5: Solve for x
    x = 37,225,881,488.81/205,348.53
  6. Step 6: Final answer
    x = 181,281.46

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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.