Home / 164,392.58-226,848.84-100,721.72

Finding the Fourth Proportional to 164,392.58, 226,848.84 and 100,721.72

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Solution

The fourth proportional to 164,392.58, 226,848.84 and 100,721.72 is: 138,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,392.58 : 226,848.84 = 100,721.72 : x
  2. Step 2: Convert to fraction form
    164,392.58/226,848.84 = 100,721.72/x
  3. Step 3: Cross multiply
    164,392.58x = 226,848.84 × 100,721.72
  4. Step 4: Simplify right side
    164,392.58x = 22,848,605,344.80
  5. Step 5: Solve for x
    x = 22,848,605,344.80/164,392.58
  6. Step 6: Final answer
    x = 138,988.06

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1.5x scale

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.