Home / 90,258.66-135,429.47-34,118.27

Finding the Fourth Proportional to 90,258.66, 135,429.47 and 34,118.27

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Solution

The fourth proportional to 90,258.66, 135,429.47 and 34,118.27 is: 51,193.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,258.66 : 135,429.47 = 34,118.27 : x
  2. Step 2: Convert to fraction form
    90,258.66/135,429.47 = 34,118.27/x
  3. Step 3: Cross multiply
    90,258.66x = 135,429.47 × 34,118.27
  4. Step 4: Simplify right side
    90,258.66x = 4,620,619,011.48
  5. Step 5: Solve for x
    x = 4,620,619,011.48/90,258.66
  6. Step 6: Final answer
    x = 51,193.08

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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.