Home / 130,014.08-194,688.12-89,977.60

Finding the Fourth Proportional to 130,014.08, 194,688.12 and 89,977.60

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Solution

The fourth proportional to 130,014.08, 194,688.12 and 89,977.60 is: 134,735.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,014.08 : 194,688.12 = 89,977.60 : x
  2. Step 2: Convert to fraction form
    130,014.08/194,688.12 = 89,977.60/x
  3. Step 3: Cross multiply
    130,014.08x = 194,688.12 × 89,977.60
  4. Step 4: Simplify right side
    130,014.08x = 17,517,570,366.89
  5. Step 5: Solve for x
    x = 17,517,570,366.89/130,014.08
  6. Step 6: Final answer
    x = 134,735.95

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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.