Home / 147,495.35-203,543.52-80,427.35

Finding the Fourth Proportional to 147,495.35, 203,543.52 and 80,427.35

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Solution

The fourth proportional to 147,495.35, 203,543.52 and 80,427.35 is: 110,989.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,495.35 : 203,543.52 = 80,427.35 : x
  2. Step 2: Convert to fraction form
    147,495.35/203,543.52 = 80,427.35/x
  3. Step 3: Cross multiply
    147,495.35x = 203,543.52 × 80,427.35
  4. Step 4: Simplify right side
    147,495.35x = 16,370,465,923.27
  5. Step 5: Solve for x
    x = 16,370,465,923.27/147,495.35
  6. Step 6: Final answer
    x = 110,989.71

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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.