Home / 163,279.21-245,009.54-88,398.25

Finding the Fourth Proportional to 163,279.21, 245,009.54 and 88,398.25

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Solution

The fourth proportional to 163,279.21, 245,009.54 and 88,398.25 is: 132,646.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,279.21 : 245,009.54 = 88,398.25 : x
  2. Step 2: Convert to fraction form
    163,279.21/245,009.54 = 88,398.25/x
  3. Step 3: Cross multiply
    163,279.21x = 245,009.54 × 88,398.25
  4. Step 4: Simplify right side
    163,279.21x = 21,658,414,569.31
  5. Step 5: Solve for x
    x = 21,658,414,569.31/163,279.21
  6. Step 6: Final answer
    x = 132,646.49

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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.