Home / 94,290-130,120.20-51,851.28

Finding the Fourth Proportional to 94,290, 130,120.20 and 51,851.28

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Solution

The fourth proportional to 94,290, 130,120.20 and 51,851.28 is: 71,554.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,290 : 130,120.20 = 51,851.28 : x
  2. Step 2: Convert to fraction form
    94,290/130,120.20 = 51,851.28/x
  3. Step 3: Cross multiply
    94,290x = 130,120.20 × 51,851.28
  4. Step 4: Simplify right side
    94,290x = 6,746,898,923.86
  5. Step 5: Solve for x
    x = 6,746,898,923.86/94,290
  6. Step 6: Final answer
    x = 71,554.77

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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.