Home / 132,477.28-182,816.87-72,046.62

Finding the Fourth Proportional to 132,477.28, 182,816.87 and 72,046.62

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Solution

The fourth proportional to 132,477.28, 182,816.87 and 72,046.62 is: 99,423.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,477.28 : 182,816.87 = 72,046.62 : x
  2. Step 2: Convert to fraction form
    132,477.28/182,816.87 = 72,046.62/x
  3. Step 3: Cross multiply
    132,477.28x = 182,816.87 × 72,046.62
  4. Step 4: Simplify right side
    132,477.28x = 13,171,337,202.25
  5. Step 5: Solve for x
    x = 13,171,337,202.25/132,477.28
  6. Step 6: Final answer
    x = 99,423.37

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1.5x scale

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.