Home / 147,390.56-203,341.22-90,703.52

Finding the Fourth Proportional to 147,390.56, 203,341.22 and 90,703.52

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Solution

The fourth proportional to 147,390.56, 203,341.22 and 90,703.52 is: 125,135.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,390.56 : 203,341.22 = 90,703.52 : x
  2. Step 2: Convert to fraction form
    147,390.56/203,341.22 = 90,703.52/x
  3. Step 3: Cross multiply
    147,390.56x = 203,341.22 × 90,703.52
  4. Step 4: Simplify right side
    147,390.56x = 18,443,764,415.09
  5. Step 5: Solve for x
    x = 18,443,764,415.09/147,390.56
  6. Step 6: Final answer
    x = 125,135.32

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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.