Home / 236,530.80-354,852.90-78,760.62

Finding the Fourth Proportional to 236,530.80, 354,852.90 and 78,760.62

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Solution

The fourth proportional to 236,530.80, 354,852.90 and 78,760.62 is: 118,159.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,530.80 : 354,852.90 = 78,760.62 : x
  2. Step 2: Convert to fraction form
    236,530.80/354,852.90 = 78,760.62/x
  3. Step 3: Cross multiply
    236,530.80x = 354,852.90 × 78,760.62
  4. Step 4: Simplify right side
    236,530.80x = 27,948,434,412.80
  5. Step 5: Solve for x
    x = 27,948,434,412.80/236,530.80
  6. Step 6: Final answer
    x = 118,159.81

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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.