Home / 102,024.48-140,794.56-56,703.36

Finding the Fourth Proportional to 102,024.48, 140,794.56 and 56,703.36

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Solution

The fourth proportional to 102,024.48, 140,794.56 and 56,703.36 is: 78,251.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,024.48 : 140,794.56 = 56,703.36 : x
  2. Step 2: Convert to fraction form
    102,024.48/140,794.56 = 56,703.36/x
  3. Step 3: Cross multiply
    102,024.48x = 140,794.56 × 56,703.36
  4. Step 4: Simplify right side
    102,024.48x = 7,983,524,621.72
  5. Step 5: Solve for x
    x = 7,983,524,621.72/102,024.48
  6. Step 6: Final answer
    x = 78,251.07

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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.