Home / 90,444.84-135,668.40-34,269.84

Finding the Fourth Proportional to 90,444.84, 135,668.40 and 34,269.84

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Solution

The fourth proportional to 90,444.84, 135,668.40 and 34,269.84 is: 51,405.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,444.84 : 135,668.40 = 34,269.84 : x
  2. Step 2: Convert to fraction form
    90,444.84/135,668.40 = 34,269.84/x
  3. Step 3: Cross multiply
    90,444.84x = 135,668.40 × 34,269.84
  4. Step 4: Simplify right side
    90,444.84x = 4,649,334,361.06
  5. Step 5: Solve for x
    x = 4,649,334,361.06/90,444.84
  6. Step 6: Final answer
    x = 51,405.19

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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.