Home / 90,914.40-136,306.80-34,732.80

Finding the Fourth Proportional to 90,914.40, 136,306.80 and 34,732.80

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Solution

The fourth proportional to 90,914.40, 136,306.80 and 34,732.80 is: 52,074.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,914.40 : 136,306.80 = 34,732.80 : x
  2. Step 2: Convert to fraction form
    90,914.40/136,306.80 = 34,732.80/x
  3. Step 3: Cross multiply
    90,914.40x = 136,306.80 × 34,732.80
  4. Step 4: Simplify right side
    90,914.40x = 4,734,316,823.04
  5. Step 5: Solve for x
    x = 4,734,316,823.04/90,914.40
  6. Step 6: Final answer
    x = 52,074.44

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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.