Home / 90,340.04-135,518.40-23,780.52

Finding the Fourth Proportional to 90,340.04, 135,518.40 and 23,780.52

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Solution

The fourth proportional to 90,340.04, 135,518.40 and 23,780.52 is: 35,672.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,340.04 : 135,518.40 = 23,780.52 : x
  2. Step 2: Convert to fraction form
    90,340.04/135,518.40 = 23,780.52/x
  3. Step 3: Cross multiply
    90,340.04x = 135,518.40 × 23,780.52
  4. Step 4: Simplify right side
    90,340.04x = 3,222,698,021.57
  5. Step 5: Solve for x
    x = 3,222,698,021.57/90,340.04
  6. Step 6: Final answer
    x = 35,672.97

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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.