Home / 119,087.21-178,464.02-89,486.16

Finding the Fourth Proportional to 119,087.21, 178,464.02 and 89,486.16

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Solution

The fourth proportional to 119,087.21, 178,464.02 and 89,486.16 is: 134,103.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,087.21 : 178,464.02 = 89,486.16 : x
  2. Step 2: Convert to fraction form
    119,087.21/178,464.02 = 89,486.16/x
  3. Step 3: Cross multiply
    119,087.21x = 178,464.02 × 89,486.16
  4. Step 4: Simplify right side
    119,087.21x = 15,970,059,400.53
  5. Step 5: Solve for x
    x = 15,970,059,400.53/119,087.21
  6. Step 6: Final answer
    x = 134,103.91

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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.