Home / 248,221.94-342,531.79-139,316.15

Finding the Fourth Proportional to 248,221.94, 342,531.79 and 139,316.15

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Solution

The fourth proportional to 248,221.94, 342,531.79 and 139,316.15 is: 192,248.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,221.94 : 342,531.79 = 139,316.15 : x
  2. Step 2: Convert to fraction form
    248,221.94/342,531.79 = 139,316.15/x
  3. Step 3: Cross multiply
    248,221.94x = 342,531.79 × 139,316.15
  4. Step 4: Simplify right side
    248,221.94x = 47,720,210,743.45
  5. Step 5: Solve for x
    x = 47,720,210,743.45/248,221.94
  6. Step 6: Final answer
    x = 192,248.16

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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.