Home / 169,939.32-234,170.28-131,465.12

Finding the Fourth Proportional to 169,939.32, 234,170.28 and 131,465.12

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Solution

The fourth proportional to 169,939.32, 234,170.28 and 131,465.12 is: 181,154.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,939.32 : 234,170.28 = 131,465.12 : x
  2. Step 2: Convert to fraction form
    169,939.32/234,170.28 = 131,465.12/x
  3. Step 3: Cross multiply
    169,939.32x = 234,170.28 × 131,465.12
  4. Step 4: Simplify right side
    169,939.32x = 30,785,223,960.63
  5. Step 5: Solve for x
    x = 30,785,223,960.63/169,939.32
  6. Step 6: Final answer
    x = 181,154.21

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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.