Home / 132,613.13-183,005.94-72,183.59

Finding the Fourth Proportional to 132,613.13, 183,005.94 and 72,183.59

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Solution

The fourth proportional to 132,613.13, 183,005.94 and 72,183.59 is: 99,613.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,613.13 : 183,005.94 = 72,183.59 : x
  2. Step 2: Convert to fraction form
    132,613.13/183,005.94 = 72,183.59/x
  3. Step 3: Cross multiply
    132,613.13x = 183,005.94 × 72,183.59
  4. Step 4: Simplify right side
    132,613.13x = 13,210,025,579.44
  5. Step 5: Solve for x
    x = 13,210,025,579.44/132,613.13
  6. Step 6: Final answer
    x = 99,613.25

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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.