Home / 90,336.42-135,329.67-43,622.10

Finding the Fourth Proportional to 90,336.42, 135,329.67 and 43,622.10

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Solution

The fourth proportional to 90,336.42, 135,329.67 and 43,622.10 is: 65,348.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,336.42 : 135,329.67 = 43,622.10 : x
  2. Step 2: Convert to fraction form
    90,336.42/135,329.67 = 43,622.10/x
  3. Step 3: Cross multiply
    90,336.42x = 135,329.67 × 43,622.10
  4. Step 4: Simplify right side
    90,336.42x = 5,903,364,397.71
  5. Step 5: Solve for x
    x = 5,903,364,397.71/90,336.42
  6. Step 6: Final answer
    x = 65,348.66

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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.