Home / 164,078.20-246,117.30-89,428.60

Finding the Fourth Proportional to 164,078.20, 246,117.30 and 89,428.60

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Solution

The fourth proportional to 164,078.20, 246,117.30 and 89,428.60 is: 134,142.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,078.20 : 246,117.30 = 89,428.60 : x
  2. Step 2: Convert to fraction form
    164,078.20/246,117.30 = 89,428.60/x
  3. Step 3: Cross multiply
    164,078.20x = 246,117.30 × 89,428.60
  4. Step 4: Simplify right side
    164,078.20x = 22,009,925,574.78
  5. Step 5: Solve for x
    x = 22,009,925,574.78/164,078.20
  6. Step 6: Final answer
    x = 134,142.90

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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.