Home / 152,730.88-229,004.28-68,475.80

Finding the Fourth Proportional to 152,730.88, 229,004.28 and 68,475.80

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Solution

The fourth proportional to 152,730.88, 229,004.28 and 68,475.80 is: 102,672.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,730.88 : 229,004.28 = 68,475.80 : x
  2. Step 2: Convert to fraction form
    152,730.88/229,004.28 = 68,475.80/x
  3. Step 3: Cross multiply
    152,730.88x = 229,004.28 × 68,475.80
  4. Step 4: Simplify right side
    152,730.88x = 15,681,251,276.42
  5. Step 5: Solve for x
    x = 15,681,251,276.42/152,730.88
  6. Step 6: Final answer
    x = 102,672.43

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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.