Home / 155,103.51-232,671.45-42,783.75

Finding the Fourth Proportional to 155,103.51, 232,671.45 and 42,783.75

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Solution

The fourth proportional to 155,103.51, 232,671.45 and 42,783.75 is: 64,180.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,103.51 : 232,671.45 = 42,783.75 : x
  2. Step 2: Convert to fraction form
    155,103.51/232,671.45 = 42,783.75/x
  3. Step 3: Cross multiply
    155,103.51x = 232,671.45 × 42,783.75
  4. Step 4: Simplify right side
    155,103.51x = 9,954,557,148.94
  5. Step 5: Solve for x
    x = 9,954,557,148.94/155,103.51
  6. Step 6: Final answer
    x = 64,180.09

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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.