Home / 133,031.35-199,547.03-126,470.35

Finding the Fourth Proportional to 133,031.35, 199,547.03 and 126,470.35

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Solution

The fourth proportional to 133,031.35, 199,547.03 and 126,470.35 is: 189,705.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,031.35 : 199,547.03 = 126,470.35 : x
  2. Step 2: Convert to fraction form
    133,031.35/199,547.03 = 126,470.35/x
  3. Step 3: Cross multiply
    133,031.35x = 199,547.03 × 126,470.35
  4. Step 4: Simplify right side
    133,031.35x = 25,236,782,725.56
  5. Step 5: Solve for x
    x = 25,236,782,725.56/133,031.35
  6. Step 6: Final answer
    x = 189,705.53

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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.