Home / 236,745.15-326,716.16-129,325.20

Finding the Fourth Proportional to 236,745.15, 326,716.16 and 129,325.20

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Solution

The fourth proportional to 236,745.15, 326,716.16 and 129,325.20 is: 178,473.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,745.15 : 326,716.16 = 129,325.20 : x
  2. Step 2: Convert to fraction form
    236,745.15/326,716.16 = 129,325.20/x
  3. Step 3: Cross multiply
    236,745.15x = 326,716.16 × 129,325.20
  4. Step 4: Simplify right side
    236,745.15x = 42,252,632,088.61
  5. Step 5: Solve for x
    x = 42,252,632,088.61/236,745.15
  6. Step 6: Final answer
    x = 178,473.06

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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.