Home / 91,149.21-125,812.31-52,917.35

Finding the Fourth Proportional to 91,149.21, 125,812.31 and 52,917.35

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Solution

The fourth proportional to 91,149.21, 125,812.31 and 52,917.35 is: 73,041.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,149.21 : 125,812.31 = 52,917.35 : x
  2. Step 2: Convert to fraction form
    91,149.21/125,812.31 = 52,917.35/x
  3. Step 3: Cross multiply
    91,149.21x = 125,812.31 × 52,917.35
  4. Step 4: Simplify right side
    91,149.21x = 6,657,653,148.93
  5. Step 5: Solve for x
    x = 6,657,653,148.93/91,149.21
  6. Step 6: Final answer
    x = 73,041.26

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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.