Home / 134,780.10-201,749.44-99,281.44

Finding the Fourth Proportional to 134,780.10, 201,749.44 and 99,281.44

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Solution

The fourth proportional to 134,780.10, 201,749.44 and 99,281.44 is: 148,612.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,780.10 : 201,749.44 = 99,281.44 : x
  2. Step 2: Convert to fraction form
    134,780.10/201,749.44 = 99,281.44/x
  3. Step 3: Cross multiply
    134,780.10x = 201,749.44 × 99,281.44
  4. Step 4: Simplify right side
    134,780.10x = 20,029,974,922.39
  5. Step 5: Solve for x
    x = 20,029,974,922.39/134,780.10
  6. Step 6: Final answer
    x = 148,612.26

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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.