Home / 178,220.76-245,944.60-106,617.61

Finding the Fourth Proportional to 178,220.76, 245,944.60 and 106,617.61

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Solution

The fourth proportional to 178,220.76, 245,944.60 and 106,617.61 is: 147,132.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,220.76 : 245,944.60 = 106,617.61 : x
  2. Step 2: Convert to fraction form
    178,220.76/245,944.60 = 106,617.61/x
  3. Step 3: Cross multiply
    178,220.76x = 245,944.60 × 106,617.61
  4. Step 4: Simplify right side
    178,220.76x = 26,222,025,444.41
  5. Step 5: Solve for x
    x = 26,222,025,444.41/178,220.76
  6. Step 6: Final answer
    x = 147,132.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.