Home / 119,084.21-178,459.52-89,483.16

Finding the Fourth Proportional to 119,084.21, 178,459.52 and 89,483.16

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Solution

The fourth proportional to 119,084.21, 178,459.52 and 89,483.16 is: 134,099.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,084.21 : 178,459.52 = 89,483.16 : x
  2. Step 2: Convert to fraction form
    119,084.21/178,459.52 = 89,483.16/x
  3. Step 3: Cross multiply
    119,084.21x = 178,459.52 × 89,483.16
  4. Step 4: Simplify right side
    119,084.21x = 15,969,121,334.27
  5. Step 5: Solve for x
    x = 15,969,121,334.27/119,084.21
  6. Step 6: Final answer
    x = 134,099.41

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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.