Home / 151,057.20-208,461.36-83,077.20

Finding the Fourth Proportional to 151,057.20, 208,461.36 and 83,077.20

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Solution

The fourth proportional to 151,057.20, 208,461.36 and 83,077.20 is: 114,647.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,057.20 : 208,461.36 = 83,077.20 : x
  2. Step 2: Convert to fraction form
    151,057.20/208,461.36 = 83,077.20/x
  3. Step 3: Cross multiply
    151,057.20x = 208,461.36 × 83,077.20
  4. Step 4: Simplify right side
    151,057.20x = 17,318,386,096.99
  5. Step 5: Solve for x
    x = 17,318,386,096.99/151,057.20
  6. Step 6: Final answer
    x = 114,647.87

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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.