Home / 188,566.79-282,928.51-76,326.35

Finding the Fourth Proportional to 188,566.79, 282,928.51 and 76,326.35

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Solution

The fourth proportional to 188,566.79, 282,928.51 and 76,326.35 is: 114,521.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,566.79 : 282,928.51 = 76,326.35 : x
  2. Step 2: Convert to fraction form
    188,566.79/282,928.51 = 76,326.35/x
  3. Step 3: Cross multiply
    188,566.79x = 282,928.51 × 76,326.35
  4. Step 4: Simplify right side
    188,566.79x = 21,594,898,873.78
  5. Step 5: Solve for x
    x = 21,594,898,873.78/188,566.79
  6. Step 6: Final answer
    x = 114,521.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.