Home / 152,743.88-210,783.98-85,674.44

Finding the Fourth Proportional to 152,743.88, 210,783.98 and 85,674.44

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Solution

The fourth proportional to 152,743.88, 210,783.98 and 85,674.44 is: 118,229.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,743.88 : 210,783.98 = 85,674.44 : x
  2. Step 2: Convert to fraction form
    152,743.88/210,783.98 = 85,674.44/x
  3. Step 3: Cross multiply
    152,743.88x = 210,783.98 × 85,674.44
  4. Step 4: Simplify right side
    152,743.88x = 18,058,799,447.47
  5. Step 5: Solve for x
    x = 18,058,799,447.47/152,743.88
  6. Step 6: Final answer
    x = 118,229.28

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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.