Home / 102,132.08-140,940.26-56,808.52

Finding the Fourth Proportional to 102,132.08, 140,940.26 and 56,808.52

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Solution

The fourth proportional to 102,132.08, 140,940.26 and 56,808.52 is: 78,394.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,132.08 : 140,940.26 = 56,808.52 : x
  2. Step 2: Convert to fraction form
    102,132.08/140,940.26 = 56,808.52/x
  3. Step 3: Cross multiply
    102,132.08x = 140,940.26 × 56,808.52
  4. Step 4: Simplify right side
    102,132.08x = 8,006,607,579.02
  5. Step 5: Solve for x
    x = 8,006,607,579.02/102,132.08
  6. Step 6: Final answer
    x = 78,394.64

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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.