Home / 91,854.15-126,749.97-51,558.67

Finding the Fourth Proportional to 91,854.15, 126,749.97 and 51,558.67

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Solution

The fourth proportional to 91,854.15, 126,749.97 and 51,558.67 is: 71,146.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,854.15 : 126,749.97 = 51,558.67 : x
  2. Step 2: Convert to fraction form
    91,854.15/126,749.97 = 51,558.67/x
  3. Step 3: Cross multiply
    91,854.15x = 126,749.97 × 51,558.67
  4. Step 4: Simplify right side
    91,854.15x = 6,535,059,875.74
  5. Step 5: Solve for x
    x = 6,535,059,875.74/91,854.15
  6. Step 6: Final answer
    x = 71,146.05

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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.