Home / 242,641.33-334,749.57-162,121.45

Finding the Fourth Proportional to 242,641.33, 334,749.57 and 162,121.45

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Solution

The fourth proportional to 242,641.33, 334,749.57 and 162,121.45 is: 223,663.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,641.33 : 334,749.57 = 162,121.45 : x
  2. Step 2: Convert to fraction form
    242,641.33/334,749.57 = 162,121.45/x
  3. Step 3: Cross multiply
    242,641.33x = 334,749.57 × 162,121.45
  4. Step 4: Simplify right side
    242,641.33x = 54,270,085,675.28
  5. Step 5: Solve for x
    x = 54,270,085,675.28/242,641.33
  6. Step 6: Final answer
    x = 223,663.82

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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.