Home / 90,116.98-135,161.29-56,734.85

Finding the Fourth Proportional to 90,116.98, 135,161.29 and 56,734.85

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Solution

The fourth proportional to 90,116.98, 135,161.29 and 56,734.85 is: 85,093.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,116.98 : 135,161.29 = 56,734.85 : x
  2. Step 2: Convert to fraction form
    90,116.98/135,161.29 = 56,734.85/x
  3. Step 3: Cross multiply
    90,116.98x = 135,161.29 × 56,734.85
  4. Step 4: Simplify right side
    90,116.98x = 7,668,355,513.96
  5. Step 5: Solve for x
    x = 7,668,355,513.96/90,116.98
  6. Step 6: Final answer
    x = 85,093.35

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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.