Home / 211,721.78-292,176.35-114,925.58

Finding the Fourth Proportional to 211,721.78, 292,176.35 and 114,925.58

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Solution

The fourth proportional to 211,721.78, 292,176.35 and 114,925.58 is: 158,597.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,721.78 : 292,176.35 = 114,925.58 : x
  2. Step 2: Convert to fraction form
    211,721.78/292,176.35 = 114,925.58/x
  3. Step 3: Cross multiply
    211,721.78x = 292,176.35 × 114,925.58
  4. Step 4: Simplify right side
    211,721.78x = 33,578,534,450.52
  5. Step 5: Solve for x
    x = 33,578,534,450.52/211,721.78
  6. Step 6: Final answer
    x = 158,597.45

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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.