Home / 153,274.21-229,912.61-53,434.22

Finding the Fourth Proportional to 153,274.21, 229,912.61 and 53,434.22

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Solution

The fourth proportional to 153,274.21, 229,912.61 and 53,434.22 is: 80,151.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,274.21 : 229,912.61 = 53,434.22 : x
  2. Step 2: Convert to fraction form
    153,274.21/229,912.61 = 53,434.22/x
  3. Step 3: Cross multiply
    153,274.21x = 229,912.61 × 53,434.22
  4. Step 4: Simplify right side
    153,274.21x = 12,285,199,566.78
  5. Step 5: Solve for x
    x = 12,285,199,566.78/153,274.21
  6. Step 6: Final answer
    x = 80,151.77

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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.