Home / 91,460.39-126,215.70-51,176.80

Finding the Fourth Proportional to 91,460.39, 126,215.70 and 51,176.80

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Solution

The fourth proportional to 91,460.39, 126,215.70 and 51,176.80 is: 70,624.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,460.39 : 126,215.70 = 51,176.80 : x
  2. Step 2: Convert to fraction form
    91,460.39/126,215.70 = 51,176.80/x
  3. Step 3: Cross multiply
    91,460.39x = 126,215.70 × 51,176.80
  4. Step 4: Simplify right side
    91,460.39x = 6,459,315,004.68
  5. Step 5: Solve for x
    x = 6,459,315,004.68/91,460.39
  6. Step 6: Final answer
    x = 70,624.18

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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.