Home / 155,435.32-233,128.14-55,576.90

Finding the Fourth Proportional to 155,435.32, 233,128.14 and 55,576.90

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Solution

The fourth proportional to 155,435.32, 233,128.14 and 55,576.90 is: 83,356.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,435.32 : 233,128.14 = 55,576.90 : x
  2. Step 2: Convert to fraction form
    155,435.32/233,128.14 = 55,576.90/x
  3. Step 3: Cross multiply
    155,435.32x = 233,128.14 × 55,576.90
  4. Step 4: Simplify right side
    155,435.32x = 12,956,539,323.97
  5. Step 5: Solve for x
    x = 12,956,539,323.97/155,435.32
  6. Step 6: Final answer
    x = 83,356.47

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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.