Home / 94,129.36-141,164.08-30,934.78

Finding the Fourth Proportional to 94,129.36, 141,164.08 and 30,934.78

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Solution

The fourth proportional to 94,129.36, 141,164.08 and 30,934.78 is: 46,392.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,129.36 : 141,164.08 = 30,934.78 : x
  2. Step 2: Convert to fraction form
    94,129.36/141,164.08 = 30,934.78/x
  3. Step 3: Cross multiply
    94,129.36x = 141,164.08 × 30,934.78
  4. Step 4: Simplify right side
    94,129.36x = 4,366,879,328.46
  5. Step 5: Solve for x
    x = 4,366,879,328.46/94,129.36
  6. Step 6: Final answer
    x = 46,392.32

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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.