Home / 91,171.26-136,705.59-62,741.61

Finding the Fourth Proportional to 91,171.26, 136,705.59 and 62,741.61

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Solution

The fourth proportional to 91,171.26, 136,705.59 and 62,741.61 is: 94,077.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,171.26 : 136,705.59 = 62,741.61 : x
  2. Step 2: Convert to fraction form
    91,171.26/136,705.59 = 62,741.61/x
  3. Step 3: Cross multiply
    91,171.26x = 136,705.59 × 62,741.61
  4. Step 4: Simplify right side
    91,171.26x = 8,577,128,812.60
  5. Step 5: Solve for x
    x = 8,577,128,812.60/91,171.26
  6. Step 6: Final answer
    x = 94,077.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.