Home / 193,388.08-266,871.32-107,341.98

Finding the Fourth Proportional to 193,388.08, 266,871.32 and 107,341.98

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Solution

The fourth proportional to 193,388.08, 266,871.32 and 107,341.98 is: 148,129.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,388.08 : 266,871.32 = 107,341.98 : x
  2. Step 2: Convert to fraction form
    193,388.08/266,871.32 = 107,341.98/x
  3. Step 3: Cross multiply
    193,388.08x = 266,871.32 × 107,341.98
  4. Step 4: Simplify right side
    193,388.08x = 28,646,495,894.01
  5. Step 5: Solve for x
    x = 28,646,495,894.01/193,388.08
  6. Step 6: Final answer
    x = 148,129.58

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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.