Home / 151,272.76-208,749.12-83,288.32

Finding the Fourth Proportional to 151,272.76, 208,749.12 and 83,288.32

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Solution

The fourth proportional to 151,272.76, 208,749.12 and 83,288.32 is: 114,933.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,272.76 : 208,749.12 = 83,288.32 : x
  2. Step 2: Convert to fraction form
    151,272.76/208,749.12 = 83,288.32/x
  3. Step 3: Cross multiply
    151,272.76x = 208,749.12 × 83,288.32
  4. Step 4: Simplify right side
    151,272.76x = 17,386,363,506.28
  5. Step 5: Solve for x
    x = 17,386,363,506.28/151,272.76
  6. Step 6: Final answer
    x = 114,933.87

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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.