Home / 79,918.76-119,784.84-60,133.76

Finding the Fourth Proportional to 79,918.76, 119,784.84 and 60,133.76

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Solution

The fourth proportional to 79,918.76, 119,784.84 and 60,133.76 is: 90,130.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,918.76 : 119,784.84 = 60,133.76 : x
  2. Step 2: Convert to fraction form
    79,918.76/119,784.84 = 60,133.76/x
  3. Step 3: Cross multiply
    79,918.76x = 119,784.84 × 60,133.76
  4. Step 4: Simplify right side
    79,918.76x = 7,203,112,820.20
  5. Step 5: Solve for x
    x = 7,203,112,820.20/79,918.76
  6. Step 6: Final answer
    x = 90,130.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.