Home / 91,909.16-126,833.84-53,146.05

Finding the Fourth Proportional to 91,909.16, 126,833.84 and 53,146.05

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Solution

The fourth proportional to 91,909.16, 126,833.84 and 53,146.05 is: 73,341.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,909.16 : 126,833.84 = 53,146.05 : x
  2. Step 2: Convert to fraction form
    91,909.16/126,833.84 = 53,146.05/x
  3. Step 3: Cross multiply
    91,909.16x = 126,833.84 × 53,146.05
  4. Step 4: Simplify right side
    91,909.16x = 6,740,717,336.60
  5. Step 5: Solve for x
    x = 6,740,717,336.60/91,909.16
  6. Step 6: Final answer
    x = 73,341.09

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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.