Home / 145,786.98-201,253.58-102,801.50

Finding the Fourth Proportional to 145,786.98, 201,253.58 and 102,801.50

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Solution

The fourth proportional to 145,786.98, 201,253.58 and 102,801.50 is: 141,913.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,786.98 : 201,253.58 = 102,801.50 : x
  2. Step 2: Convert to fraction form
    145,786.98/201,253.58 = 102,801.50/x
  3. Step 3: Cross multiply
    145,786.98x = 201,253.58 × 102,801.50
  4. Step 4: Simplify right side
    145,786.98x = 20,689,169,524.30
  5. Step 5: Solve for x
    x = 20,689,169,524.30/145,786.98
  6. Step 6: Final answer
    x = 141,913.69

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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.