Home / 126,306.90-189,419.34-42,044.44

Finding the Fourth Proportional to 126,306.90, 189,419.34 and 42,044.44

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Solution

The fourth proportional to 126,306.90, 189,419.34 and 42,044.44 is: 63,053.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,306.90 : 189,419.34 = 42,044.44 : x
  2. Step 2: Convert to fraction form
    126,306.90/189,419.34 = 42,044.44/x
  3. Step 3: Cross multiply
    126,306.90x = 189,419.34 × 42,044.44
  4. Step 4: Simplify right side
    126,306.90x = 7,964,030,092.50
  5. Step 5: Solve for x
    x = 7,964,030,092.50/126,306.90
  6. Step 6: Final answer
    x = 63,053.01

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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.