Home / 132,719.16-183,192.46-90,302.29

Finding the Fourth Proportional to 132,719.16, 183,192.46 and 90,302.29

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Solution

The fourth proportional to 132,719.16, 183,192.46 and 90,302.29 is: 124,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,719.16 : 183,192.46 = 90,302.29 : x
  2. Step 2: Convert to fraction form
    132,719.16/183,192.46 = 90,302.29/x
  3. Step 3: Cross multiply
    132,719.16x = 183,192.46 × 90,302.29
  4. Step 4: Simplify right side
    132,719.16x = 16,542,699,249.43
  5. Step 5: Solve for x
    x = 16,542,699,249.43/132,719.16
  6. Step 6: Final answer
    x = 124,644.40

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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.