Home / 152,725.35-228,995.95-68,470.28

Finding the Fourth Proportional to 152,725.35, 228,995.95 and 68,470.28

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Solution

The fourth proportional to 152,725.35, 228,995.95 and 68,470.28 is: 102,664.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,725.35 : 228,995.95 = 68,470.28 : x
  2. Step 2: Convert to fraction form
    152,725.35/228,995.95 = 68,470.28/x
  3. Step 3: Cross multiply
    152,725.35x = 228,995.95 × 68,470.28
  4. Step 4: Simplify right side
    152,725.35x = 15,679,415,670.39
  5. Step 5: Solve for x
    x = 15,679,415,670.39/152,725.35
  6. Step 6: Final answer
    x = 102,664.13

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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.