Home / 103,090.52-142,262.50-60,651.78

Finding the Fourth Proportional to 103,090.52, 142,262.50 and 60,651.78

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Solution

The fourth proportional to 103,090.52, 142,262.50 and 60,651.78 is: 83,698.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,090.52 : 142,262.50 = 60,651.78 : x
  2. Step 2: Convert to fraction form
    103,090.52/142,262.50 = 60,651.78/x
  3. Step 3: Cross multiply
    103,090.52x = 142,262.50 × 60,651.78
  4. Step 4: Simplify right side
    103,090.52x = 8,628,473,852.25
  5. Step 5: Solve for x
    x = 8,628,473,852.25/103,090.52
  6. Step 6: Final answer
    x = 83,698.03

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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.