Home / 90,009.60-135,002.52-23,454.24

Finding the Fourth Proportional to 90,009.60, 135,002.52 and 23,454.24

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Solution

The fourth proportional to 90,009.60, 135,002.52 and 23,454.24 is: 35,178.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,009.60 : 135,002.52 = 23,454.24 : x
  2. Step 2: Convert to fraction form
    90,009.60/135,002.52 = 23,454.24/x
  3. Step 3: Cross multiply
    90,009.60x = 135,002.52 × 23,454.24
  4. Step 4: Simplify right side
    90,009.60x = 3,166,381,504.68
  5. Step 5: Solve for x
    x = 3,166,381,504.68/90,009.60
  6. Step 6: Final answer
    x = 35,178.26

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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.