Home / 154,360.52-213,011.70-87,293.96

Finding the Fourth Proportional to 154,360.52, 213,011.70 and 87,293.96

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Solution

The fourth proportional to 154,360.52, 213,011.70 and 87,293.96 is: 120,462.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,360.52 : 213,011.70 = 87,293.96 : x
  2. Step 2: Convert to fraction form
    154,360.52/213,011.70 = 87,293.96/x
  3. Step 3: Cross multiply
    154,360.52x = 213,011.70 × 87,293.96
  4. Step 4: Simplify right side
    154,360.52x = 18,594,634,819.33
  5. Step 5: Solve for x
    x = 18,594,634,819.33/154,360.52
  6. Step 6: Final answer
    x = 120,462.37

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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.