Home / 94,316.64-141,479.36-31,142.28

Finding the Fourth Proportional to 94,316.64, 141,479.36 and 31,142.28

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Solution

The fourth proportional to 94,316.64, 141,479.36 and 31,142.28 is: 46,714.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,316.64 : 141,479.36 = 31,142.28 : x
  2. Step 2: Convert to fraction form
    94,316.64/141,479.36 = 31,142.28/x
  3. Step 3: Cross multiply
    94,316.64x = 141,479.36 × 31,142.28
  4. Step 4: Simplify right side
    94,316.64x = 4,405,989,843.34
  5. Step 5: Solve for x
    x = 4,405,989,843.34/94,316.64
  6. Step 6: Final answer
    x = 46,714.87

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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.