Home / 115,675.20-173,545.20-56,512.80

Finding the Fourth Proportional to 115,675.20, 173,545.20 and 56,512.80

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Solution

The fourth proportional to 115,675.20, 173,545.20 and 56,512.80 is: 84,785.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,675.20 : 173,545.20 = 56,512.80 : x
  2. Step 2: Convert to fraction form
    115,675.20/173,545.20 = 56,512.80/x
  3. Step 3: Cross multiply
    115,675.20x = 173,545.20 × 56,512.80
  4. Step 4: Simplify right side
    115,675.20x = 9,807,525,178.56
  5. Step 5: Solve for x
    x = 9,807,525,178.56/115,675.20
  6. Step 6: Final answer
    x = 84,785.03

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1.5x scale

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.