Home / 115,655.20-173,515.20-56,492.80

Finding the Fourth Proportional to 115,655.20, 173,515.20 and 56,492.80

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Solution

The fourth proportional to 115,655.20, 173,515.20 and 56,492.80 is: 84,755.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,655.20 : 173,515.20 = 56,492.80 : x
  2. Step 2: Convert to fraction form
    115,655.20/173,515.20 = 56,492.80/x
  3. Step 3: Cross multiply
    115,655.20x = 173,515.20 × 56,492.80
  4. Step 4: Simplify right side
    115,655.20x = 9,802,359,490.56
  5. Step 5: Solve for x
    x = 9,802,359,490.56/115,655.20
  6. Step 6: Final answer
    x = 84,755.03

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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.