Home / 84,090.33-126,278.33-56,189.66

Finding the Fourth Proportional to 84,090.33, 126,278.33 and 56,189.66

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Solution

The fourth proportional to 84,090.33, 126,278.33 and 56,189.66 is: 84,379.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,090.33 : 126,278.33 = 56,189.66 : x
  2. Step 2: Convert to fraction form
    84,090.33/126,278.33 = 56,189.66/x
  3. Step 3: Cross multiply
    84,090.33x = 126,278.33 × 56,189.66
  4. Step 4: Simplify right side
    84,090.33x = 7,095,535,515.73
  5. Step 5: Solve for x
    x = 7,095,535,515.73/84,090.33
  6. Step 6: Final answer
    x = 84,379.92

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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.