Home / 91,122.28-136,722.88-48,953.16

Finding the Fourth Proportional to 91,122.28, 136,722.88 and 48,953.16

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Solution

The fourth proportional to 91,122.28, 136,722.88 and 48,953.16 is: 73,450.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,122.28 : 136,722.88 = 48,953.16 : x
  2. Step 2: Convert to fraction form
    91,122.28/136,722.88 = 48,953.16/x
  3. Step 3: Cross multiply
    91,122.28x = 136,722.88 × 48,953.16
  4. Step 4: Simplify right side
    91,122.28x = 6,693,017,020.30
  5. Step 5: Solve for x
    x = 6,693,017,020.30/91,122.28
  6. Step 6: Final answer
    x = 73,450.94

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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.