Home / 211,979.90-292,468.47-127,065.98

Finding the Fourth Proportional to 211,979.90, 292,468.47 and 127,065.98

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Solution

The fourth proportional to 211,979.90, 292,468.47 and 127,065.98 is: 175,312.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,979.90 : 292,468.47 = 127,065.98 : x
  2. Step 2: Convert to fraction form
    211,979.90/292,468.47 = 127,065.98/x
  3. Step 3: Cross multiply
    211,979.90x = 292,468.47 × 127,065.98
  4. Step 4: Simplify right side
    211,979.90x = 37,162,792,759.65
  5. Step 5: Solve for x
    x = 37,162,792,759.65/211,979.90
  6. Step 6: Final answer
    x = 175,312.81

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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.