Home / 117,669.24-162,382.32-87,589.08

Finding the Fourth Proportional to 117,669.24, 162,382.32 and 87,589.08

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Solution

The fourth proportional to 117,669.24, 162,382.32 and 87,589.08 is: 120,872.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,669.24 : 162,382.32 = 87,589.08 : x
  2. Step 2: Convert to fraction form
    117,669.24/162,382.32 = 87,589.08/x
  3. Step 3: Cross multiply
    117,669.24x = 162,382.32 × 87,589.08
  4. Step 4: Simplify right side
    117,669.24x = 14,222,918,017.07
  5. Step 5: Solve for x
    x = 14,222,918,017.07/117,669.24
  6. Step 6: Final answer
    x = 120,872.01

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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.