Home / 154,572.96-213,311.76-86,592.36

Finding the Fourth Proportional to 154,572.96, 213,311.76 and 86,592.36

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Solution

The fourth proportional to 154,572.96, 213,311.76 and 86,592.36 is: 119,498.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,572.96 : 213,311.76 = 86,592.36 : x
  2. Step 2: Convert to fraction form
    154,572.96/213,311.76 = 86,592.36/x
  3. Step 3: Cross multiply
    154,572.96x = 213,311.76 × 86,592.36
  4. Step 4: Simplify right side
    154,572.96x = 18,471,168,714.15
  5. Step 5: Solve for x
    x = 18,471,168,714.15/154,572.96
  6. Step 6: Final answer
    x = 119,498.06

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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.