Home / 90,344.16-135,640.37-46,000.71

Finding the Fourth Proportional to 90,344.16, 135,640.37 and 46,000.71

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Solution

The fourth proportional to 90,344.16, 135,640.37 and 46,000.71 is: 69,064.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,344.16 : 135,640.37 = 46,000.71 : x
  2. Step 2: Convert to fraction form
    90,344.16/135,640.37 = 46,000.71/x
  3. Step 3: Cross multiply
    90,344.16x = 135,640.37 × 46,000.71
  4. Step 4: Simplify right side
    90,344.16x = 6,239,552,416.46
  5. Step 5: Solve for x
    x = 6,239,552,416.46/90,344.16
  6. Step 6: Final answer
    x = 69,064.26

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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.