Home / 94,727.28-130,728-54,454.08

Finding the Fourth Proportional to 94,727.28, 130,728 and 54,454.08

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Solution

The fourth proportional to 94,727.28, 130,728 and 54,454.08 is: 75,149.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,727.28 : 130,728 = 54,454.08 : x
  2. Step 2: Convert to fraction form
    94,727.28/130,728 = 54,454.08/x
  3. Step 3: Cross multiply
    94,727.28x = 130,728 × 54,454.08
  4. Step 4: Simplify right side
    94,727.28x = 7,118,672,970.24
  5. Step 5: Solve for x
    x = 7,118,672,970.24/94,727.28
  6. Step 6: Final answer
    x = 75,149.13

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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.