Home / 91,441.16-126,182.87-51,148.01

Finding the Fourth Proportional to 91,441.16, 126,182.87 and 51,148.01

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Solution

The fourth proportional to 91,441.16, 126,182.87 and 51,148.01 is: 70,580.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,441.16 : 126,182.87 = 51,148.01 : x
  2. Step 2: Convert to fraction form
    91,441.16/126,182.87 = 51,148.01/x
  3. Step 3: Cross multiply
    91,441.16x = 126,182.87 × 51,148.01
  4. Step 4: Simplify right side
    91,441.16x = 6,454,002,756.31
  5. Step 5: Solve for x
    x = 6,454,002,756.31/91,441.16
  6. Step 6: Final answer
    x = 70,580.94

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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.