Home / 140,118.48-210,148.56-55,826.64

Finding the Fourth Proportional to 140,118.48, 210,148.56 and 55,826.64

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Solution

The fourth proportional to 140,118.48, 210,148.56 and 55,826.64 is: 83,728.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,118.48 : 210,148.56 = 55,826.64 : x
  2. Step 2: Convert to fraction form
    140,118.48/210,148.56 = 55,826.64/x
  3. Step 3: Cross multiply
    140,118.48x = 210,148.56 × 55,826.64
  4. Step 4: Simplify right side
    140,118.48x = 11,731,888,005.64
  5. Step 5: Solve for x
    x = 11,731,888,005.64/140,118.48
  6. Step 6: Final answer
    x = 83,728.34

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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.