Home / 117,143.30-175,688.60-53,902.76

Finding the Fourth Proportional to 117,143.30, 175,688.60 and 53,902.76

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Solution

The fourth proportional to 117,143.30, 175,688.60 and 53,902.76 is: 80,842.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,143.30 : 175,688.60 = 53,902.76 : x
  2. Step 2: Convert to fraction form
    117,143.30/175,688.60 = 53,902.76/x
  3. Step 3: Cross multiply
    117,143.30x = 175,688.60 × 53,902.76
  4. Step 4: Simplify right side
    117,143.30x = 9,470,100,440.54
  5. Step 5: Solve for x
    x = 9,470,100,440.54/117,143.30
  6. Step 6: Final answer
    x = 80,842.02

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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.