Home / 126,686.48-174,811.56-70,090.64

Finding the Fourth Proportional to 126,686.48, 174,811.56 and 70,090.64

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Solution

The fourth proportional to 126,686.48, 174,811.56 and 70,090.64 is: 96,716.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,686.48 : 174,811.56 = 70,090.64 : x
  2. Step 2: Convert to fraction form
    126,686.48/174,811.56 = 70,090.64/x
  3. Step 3: Cross multiply
    126,686.48x = 174,811.56 × 70,090.64
  4. Step 4: Simplify right side
    126,686.48x = 12,252,654,119.80
  5. Step 5: Solve for x
    x = 12,252,654,119.80/126,686.48
  6. Step 6: Final answer
    x = 96,716.35

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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.