Home / 91,454.14-126,211.62-51,165.50

Finding the Fourth Proportional to 91,454.14, 126,211.62 and 51,165.50

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Solution

The fourth proportional to 91,454.14, 126,211.62 and 51,165.50 is: 70,611.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,454.14 : 126,211.62 = 51,165.50 : x
  2. Step 2: Convert to fraction form
    91,454.14/126,211.62 = 51,165.50/x
  3. Step 3: Cross multiply
    91,454.14x = 126,211.62 × 51,165.50
  4. Step 4: Simplify right side
    91,454.14x = 6,457,679,916.12
  5. Step 5: Solve for x
    x = 6,457,679,916.12/91,454.14
  6. Step 6: Final answer
    x = 70,611.13

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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.