Home / 90,125.39-135,176.33-23,570.65

Finding the Fourth Proportional to 90,125.39, 135,176.33 and 23,570.65

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Solution

The fourth proportional to 90,125.39, 135,176.33 and 23,570.65 is: 35,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,125.39 : 135,176.33 = 23,570.65 : x
  2. Step 2: Convert to fraction form
    90,125.39/135,176.33 = 23,570.65/x
  3. Step 3: Cross multiply
    90,125.39x = 135,176.33 × 23,570.65
  4. Step 4: Simplify right side
    90,125.39x = 3,186,193,962.71
  5. Step 5: Solve for x
    x = 3,186,193,962.71/90,125.39
  6. Step 6: Final answer
    x = 35,352.90

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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.