Home / 152,479.75-210,422.07-92,863.75

Finding the Fourth Proportional to 152,479.75, 210,422.07 and 92,863.75

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Solution

The fourth proportional to 152,479.75, 210,422.07 and 92,863.75 is: 128,151.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,479.75 : 210,422.07 = 92,863.75 : x
  2. Step 2: Convert to fraction form
    152,479.75/210,422.07 = 92,863.75/x
  3. Step 3: Cross multiply
    152,479.75x = 210,422.07 × 92,863.75
  4. Step 4: Simplify right side
    152,479.75x = 19,540,582,502.96
  5. Step 5: Solve for x
    x = 19,540,582,502.96/152,479.75
  6. Step 6: Final answer
    x = 128,151.98

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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.