Home / 154,359.52-213,010.32-87,292.96

Finding the Fourth Proportional to 154,359.52, 213,010.32 and 87,292.96

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Solution

The fourth proportional to 154,359.52, 213,010.32 and 87,292.96 is: 120,460.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,359.52 : 213,010.32 = 87,292.96 : x
  2. Step 2: Convert to fraction form
    154,359.52/213,010.32 = 87,292.96/x
  3. Step 3: Cross multiply
    154,359.52x = 213,010.32 × 87,292.96
  4. Step 4: Simplify right side
    154,359.52x = 18,594,301,343.35
  5. Step 5: Solve for x
    x = 18,594,301,343.35/154,359.52
  6. Step 6: Final answer
    x = 120,460.99

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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.