Home / 152,979.90-211,116.96-92,561.64

Finding the Fourth Proportional to 152,979.90, 211,116.96 and 92,561.64

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Solution

The fourth proportional to 152,979.90, 211,116.96 and 92,561.64 is: 127,737.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,979.90 : 211,116.96 = 92,561.64 : x
  2. Step 2: Convert to fraction form
    152,979.90/211,116.96 = 92,561.64/x
  3. Step 3: Cross multiply
    152,979.90x = 211,116.96 × 92,561.64
  4. Step 4: Simplify right side
    152,979.90x = 19,541,332,049.41
  5. Step 5: Solve for x
    x = 19,541,332,049.41/152,979.90
  6. Step 6: Final answer
    x = 127,737.91

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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.