Home / 178,868.08-246,808.92-103,402

Finding the Fourth Proportional to 178,868.08, 246,808.92 and 103,402

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Solution

The fourth proportional to 178,868.08, 246,808.92 and 103,402 is: 142,677.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,868.08 : 246,808.92 = 103,402 : x
  2. Step 2: Convert to fraction form
    178,868.08/246,808.92 = 103,402/x
  3. Step 3: Cross multiply
    178,868.08x = 246,808.92 × 103,402
  4. Step 4: Simplify right side
    178,868.08x = 25,520,535,945.84
  5. Step 5: Solve for x
    x = 25,520,535,945.84/178,868.08
  6. Step 6: Final answer
    x = 142,677.98

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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.