Home / 90,623.16-135,934.86-34,450.08

Finding the Fourth Proportional to 90,623.16, 135,934.86 and 34,450.08

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Solution

The fourth proportional to 90,623.16, 135,934.86 and 34,450.08 is: 51,675.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,623.16 : 135,934.86 = 34,450.08 : x
  2. Step 2: Convert to fraction form
    90,623.16/135,934.86 = 34,450.08/x
  3. Step 3: Cross multiply
    90,623.16x = 135,934.86 × 34,450.08
  4. Step 4: Simplify right side
    90,623.16x = 4,682,966,801.79
  5. Step 5: Solve for x
    x = 4,682,966,801.79/90,623.16
  6. Step 6: Final answer
    x = 51,675.17

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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.