Home / 91,450.72-126,206.90-51,162.08

Finding the Fourth Proportional to 91,450.72, 126,206.90 and 51,162.08

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Solution

The fourth proportional to 91,450.72, 126,206.90 and 51,162.08 is: 70,606.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,450.72 : 126,206.90 = 51,162.08 : x
  2. Step 2: Convert to fraction form
    91,450.72/126,206.90 = 51,162.08/x
  3. Step 3: Cross multiply
    91,450.72x = 126,206.90 × 51,162.08
  4. Step 4: Simplify right side
    91,450.72x = 6,457,007,514.35
  5. Step 5: Solve for x
    x = 6,457,007,514.35/91,450.72
  6. Step 6: Final answer
    x = 70,606.42

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1.5x scale

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.