Home / 154,622.81-213,342.50-90,052.85

Finding the Fourth Proportional to 154,622.81, 213,342.50 and 90,052.85

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Solution

The fourth proportional to 154,622.81, 213,342.50 and 90,052.85 is: 124,251.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,622.81 : 213,342.50 = 90,052.85 : x
  2. Step 2: Convert to fraction form
    154,622.81/213,342.50 = 90,052.85/x
  3. Step 3: Cross multiply
    154,622.81x = 213,342.50 × 90,052.85
  4. Step 4: Simplify right side
    154,622.81x = 19,212,098,634.15
  5. Step 5: Solve for x
    x = 19,212,098,634.15/154,622.81
  6. Step 6: Final answer
    x = 124,251.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.