Home / 155,405.40-233,280.90-96,307.80

Finding the Fourth Proportional to 155,405.40, 233,280.90 and 96,307.80

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Solution

The fourth proportional to 155,405.40, 233,280.90 and 96,307.80 is: 144,568.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,405.40 : 233,280.90 = 96,307.80 : x
  2. Step 2: Convert to fraction form
    155,405.40/233,280.90 = 96,307.80/x
  3. Step 3: Cross multiply
    155,405.40x = 233,280.90 × 96,307.80
  4. Step 4: Simplify right side
    155,405.40x = 22,466,770,261.02
  5. Step 5: Solve for x
    x = 22,466,770,261.02/155,405.40
  6. Step 6: Final answer
    x = 144,568.79

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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.