Home / 236,207.30-354,359.55-78,548.90

Finding the Fourth Proportional to 236,207.30, 354,359.55 and 78,548.90

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Solution

The fourth proportional to 236,207.30, 354,359.55 and 78,548.90 is: 117,839.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,207.30 : 354,359.55 = 78,548.90 : x
  2. Step 2: Convert to fraction form
    236,207.30/354,359.55 = 78,548.90/x
  3. Step 3: Cross multiply
    236,207.30x = 354,359.55 × 78,548.90
  4. Step 4: Simplify right side
    236,207.30x = 27,834,552,857.00
  5. Step 5: Solve for x
    x = 27,834,552,857.00/236,207.30
  6. Step 6: Final answer
    x = 117,839.51

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1.5x scale

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.