Home / 147,288.76-203,272.62-90,733.24

Finding the Fourth Proportional to 147,288.76, 203,272.62 and 90,733.24

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Solution

The fourth proportional to 147,288.76, 203,272.62 and 90,733.24 is: 125,220.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,288.76 : 203,272.62 = 90,733.24 : x
  2. Step 2: Convert to fraction form
    147,288.76/203,272.62 = 90,733.24/x
  3. Step 3: Cross multiply
    147,288.76x = 203,272.62 × 90,733.24
  4. Step 4: Simplify right side
    147,288.76x = 18,443,583,415.89
  5. Step 5: Solve for x
    x = 18,443,583,415.89/147,288.76
  6. Step 6: Final answer
    x = 125,220.58

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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.