Home / 211,015.37-291,154.66-124,931.61

Finding the Fourth Proportional to 211,015.37, 291,154.66 and 124,931.61

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Solution

The fourth proportional to 211,015.37, 291,154.66 and 124,931.61 is: 172,378.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,015.37 : 291,154.66 = 124,931.61 : x
  2. Step 2: Convert to fraction form
    211,015.37/291,154.66 = 124,931.61/x
  3. Step 3: Cross multiply
    211,015.37x = 291,154.66 × 124,931.61
  4. Step 4: Simplify right side
    211,015.37x = 36,374,420,120.47
  5. Step 5: Solve for x
    x = 36,374,420,120.47/211,015.37
  6. Step 6: Final answer
    x = 172,378.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.