Home / 91,586.96-137,143.86-63,211.50

Finding the Fourth Proportional to 91,586.96, 137,143.86 and 63,211.50

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Solution

The fourth proportional to 91,586.96, 137,143.86 and 63,211.50 is: 94,653.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,586.96 : 137,143.86 = 63,211.50 : x
  2. Step 2: Convert to fraction form
    91,586.96/137,143.86 = 63,211.50/x
  3. Step 3: Cross multiply
    91,586.96x = 137,143.86 × 63,211.50
  4. Step 4: Simplify right side
    91,586.96x = 8,669,069,106.39
  5. Step 5: Solve for x
    x = 8,669,069,106.39/91,586.96
  6. Step 6: Final answer
    x = 94,653.97

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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.