Home / 90,283.18-135,232.73-73,336.59

Finding the Fourth Proportional to 90,283.18, 135,232.73 and 73,336.59

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Solution

The fourth proportional to 90,283.18, 135,232.73 and 73,336.59 is: 109,848.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,283.18 : 135,232.73 = 73,336.59 : x
  2. Step 2: Convert to fraction form
    90,283.18/135,232.73 = 73,336.59/x
  3. Step 3: Cross multiply
    90,283.18x = 135,232.73 × 73,336.59
  4. Step 4: Simplify right side
    90,283.18x = 9,917,507,274.59
  5. Step 5: Solve for x
    x = 9,917,507,274.59/90,283.18
  6. Step 6: Final answer
    x = 109,848.89

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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.