Home / 76,238.37-114,368.58-28,840.61

Finding the Fourth Proportional to 76,238.37, 114,368.58 and 28,840.61

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Solution

The fourth proportional to 76,238.37, 114,368.58 and 28,840.61 is: 43,265.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,238.37 : 114,368.58 = 28,840.61 : x
  2. Step 2: Convert to fraction form
    76,238.37/114,368.58 = 28,840.61/x
  3. Step 3: Cross multiply
    76,238.37x = 114,368.58 × 28,840.61
  4. Step 4: Simplify right side
    76,238.37x = 3,298,459,040.19
  5. Step 5: Solve for x
    x = 3,298,459,040.19/76,238.37
  6. Step 6: Final answer
    x = 43,265.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.