Home / 91,853.64-126,749.28-51,558.18

Finding the Fourth Proportional to 91,853.64, 126,749.28 and 51,558.18

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Solution

The fourth proportional to 91,853.64, 126,749.28 and 51,558.18 is: 71,145.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,853.64 : 126,749.28 = 51,558.18 : x
  2. Step 2: Convert to fraction form
    91,853.64/126,749.28 = 51,558.18/x
  3. Step 3: Cross multiply
    91,853.64x = 126,749.28 × 51,558.18
  4. Step 4: Simplify right side
    91,853.64x = 6,534,962,193.11
  5. Step 5: Solve for x
    x = 6,534,962,193.11/91,853.64
  6. Step 6: Final answer
    x = 71,145.38

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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.