Home / 91,433.71-126,184.52-51,154.43

Finding the Fourth Proportional to 91,433.71, 126,184.52 and 51,154.43

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Solution

The fourth proportional to 91,433.71, 126,184.52 and 51,154.43 is: 70,596.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,433.71 : 126,184.52 = 51,154.43 : x
  2. Step 2: Convert to fraction form
    91,433.71/126,184.52 = 51,154.43/x
  3. Step 3: Cross multiply
    91,433.71x = 126,184.52 × 51,154.43
  4. Step 4: Simplify right side
    91,433.71x = 6,454,896,939.65
  5. Step 5: Solve for x
    x = 6,454,896,939.65/91,433.71
  6. Step 6: Final answer
    x = 70,596.47

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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.