Home / 145,786.86-201,253.41-102,801.37

Finding the Fourth Proportional to 145,786.86, 201,253.41 and 102,801.37

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Solution

The fourth proportional to 145,786.86, 201,253.41 and 102,801.37 is: 141,913.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,786.86 : 201,253.41 = 102,801.37 : x
  2. Step 2: Convert to fraction form
    145,786.86/201,253.41 = 102,801.37/x
  3. Step 3: Cross multiply
    145,786.86x = 201,253.41 × 102,801.37
  4. Step 4: Simplify right side
    145,786.86x = 20,689,126,265.17
  5. Step 5: Solve for x
    x = 20,689,126,265.17/145,786.86
  6. Step 6: Final answer
    x = 141,913.52

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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.