Home / 236,666.12-354,867.96-78,808.46

Finding the Fourth Proportional to 236,666.12, 354,867.96 and 78,808.46

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Solution

The fourth proportional to 236,666.12, 354,867.96 and 78,808.46 is: 118,168.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,666.12 : 354,867.96 = 78,808.46 : x
  2. Step 2: Convert to fraction form
    236,666.12/354,867.96 = 78,808.46/x
  3. Step 3: Cross multiply
    236,666.12x = 354,867.96 × 78,808.46
  4. Step 4: Simplify right side
    236,666.12x = 27,966,597,430.94
  5. Step 5: Solve for x
    x = 27,966,597,430.94/236,666.12
  6. Step 6: Final answer
    x = 118,168.99

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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.