Home / 126,488.64-174,556.62-69,130.40

Finding the Fourth Proportional to 126,488.64, 174,556.62 and 69,130.40

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Solution

The fourth proportional to 126,488.64, 174,556.62 and 69,130.40 is: 95,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,488.64 : 174,556.62 = 69,130.40 : x
  2. Step 2: Convert to fraction form
    126,488.64/174,556.62 = 69,130.40/x
  3. Step 3: Cross multiply
    126,488.64x = 174,556.62 × 69,130.40
  4. Step 4: Simplify right side
    126,488.64x = 12,067,168,090.46
  5. Step 5: Solve for x
    x = 12,067,168,090.46/126,488.64
  6. Step 6: Final answer
    x = 95,401.20

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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.