Home / 233,223.12-321,864.24-131,258.40

Finding the Fourth Proportional to 233,223.12, 321,864.24 and 131,258.40

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Solution

The fourth proportional to 233,223.12, 321,864.24 and 131,258.40 is: 181,145.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,223.12 : 321,864.24 = 131,258.40 : x
  2. Step 2: Convert to fraction form
    233,223.12/321,864.24 = 131,258.40/x
  3. Step 3: Cross multiply
    233,223.12x = 321,864.24 × 131,258.40
  4. Step 4: Simplify right side
    233,223.12x = 42,247,385,159.62
  5. Step 5: Solve for x
    x = 42,247,385,159.62/233,223.12
  6. Step 6: Final answer
    x = 181,145.79

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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.