Home / 152,964.21-211,111.62-89,304.30

Finding the Fourth Proportional to 152,964.21, 211,111.62 and 89,304.30

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Solution

The fourth proportional to 152,964.21, 211,111.62 and 89,304.30 is: 123,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,964.21 : 211,111.62 = 89,304.30 : x
  2. Step 2: Convert to fraction form
    152,964.21/211,111.62 = 89,304.30/x
  3. Step 3: Cross multiply
    152,964.21x = 211,111.62 × 89,304.30
  4. Step 4: Simplify right side
    152,964.21x = 18,853,175,445.97
  5. Step 5: Solve for x
    x = 18,853,175,445.97/152,964.21
  6. Step 6: Final answer
    x = 123,252.20

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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.