Home / 134,749.60-202,124.40-92,759.20

Finding the Fourth Proportional to 134,749.60, 202,124.40 and 92,759.20

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Solution

The fourth proportional to 134,749.60, 202,124.40 and 92,759.20 is: 139,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,749.60 : 202,124.40 = 92,759.20 : x
  2. Step 2: Convert to fraction form
    134,749.60/202,124.40 = 92,759.20/x
  3. Step 3: Cross multiply
    134,749.60x = 202,124.40 × 92,759.20
  4. Step 4: Simplify right side
    134,749.60x = 18,748,897,644.48
  5. Step 5: Solve for x
    x = 18,748,897,644.48/134,749.60
  6. Step 6: Final answer
    x = 139,138.80

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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.