Home / 134,404.90-201,607.35-87,165.70

Finding the Fourth Proportional to 134,404.90, 201,607.35 and 87,165.70

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Solution

The fourth proportional to 134,404.90, 201,607.35 and 87,165.70 is: 130,748.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,404.90 : 201,607.35 = 87,165.70 : x
  2. Step 2: Convert to fraction form
    134,404.90/201,607.35 = 87,165.70/x
  3. Step 3: Cross multiply
    134,404.90x = 201,607.35 × 87,165.70
  4. Step 4: Simplify right side
    134,404.90x = 17,573,245,787.90
  5. Step 5: Solve for x
    x = 17,573,245,787.90/134,404.90
  6. Step 6: Final answer
    x = 130,748.55

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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.