Home / 91,541.92-137,315.28-29,212.36

Finding the Fourth Proportional to 91,541.92, 137,315.28 and 29,212.36

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Solution

The fourth proportional to 91,541.92, 137,315.28 and 29,212.36 is: 43,819.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,541.92 : 137,315.28 = 29,212.36 : x
  2. Step 2: Convert to fraction form
    91,541.92/137,315.28 = 29,212.36/x
  3. Step 3: Cross multiply
    91,541.92x = 137,315.28 × 29,212.36
  4. Step 4: Simplify right side
    91,541.92x = 4,011,303,392.86
  5. Step 5: Solve for x
    x = 4,011,303,392.86/91,541.92
  6. Step 6: Final answer
    x = 43,819.31

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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.