Home / 155,530.40-233,103.60-105,610.40

Finding the Fourth Proportional to 155,530.40, 233,103.60 and 105,610.40

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Solution

The fourth proportional to 155,530.40, 233,103.60 and 105,610.40 is: 158,285.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,530.40 : 233,103.60 = 105,610.40 : x
  2. Step 2: Convert to fraction form
    155,530.40/233,103.60 = 105,610.40/x
  3. Step 3: Cross multiply
    155,530.40x = 233,103.60 × 105,610.40
  4. Step 4: Simplify right side
    155,530.40x = 24,618,164,437.44
  5. Step 5: Solve for x
    x = 24,618,164,437.44/155,530.40
  6. Step 6: Final answer
    x = 158,285.23

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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.