Home / 155,660.40-233,490.60-135,977.40

Finding the Fourth Proportional to 155,660.40, 233,490.60 and 135,977.40

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Solution

The fourth proportional to 155,660.40, 233,490.60 and 135,977.40 is: 203,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,660.40 : 233,490.60 = 135,977.40 : x
  2. Step 2: Convert to fraction form
    155,660.40/233,490.60 = 135,977.40/x
  3. Step 3: Cross multiply
    155,660.40x = 233,490.60 × 135,977.40
  4. Step 4: Simplify right side
    155,660.40x = 31,749,444,712.44
  5. Step 5: Solve for x
    x = 31,749,444,712.44/155,660.40
  6. Step 6: Final answer
    x = 203,966.10

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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.