Home / 89,638.98-134,457.26-30,515.87

Finding the Fourth Proportional to 89,638.98, 134,457.26 and 30,515.87

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Solution

The fourth proportional to 89,638.98, 134,457.26 and 30,515.87 is: 45,773.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,638.98 : 134,457.26 = 30,515.87 : x
  2. Step 2: Convert to fraction form
    89,638.98/134,457.26 = 30,515.87/x
  3. Step 3: Cross multiply
    89,638.98x = 134,457.26 × 30,515.87
  4. Step 4: Simplify right side
    89,638.98x = 4,103,079,441.85
  5. Step 5: Solve for x
    x = 4,103,079,441.85/89,638.98
  6. Step 6: Final answer
    x = 45,773.38

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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.