Home / 155,727.90-233,446.05-121,975.20

Finding the Fourth Proportional to 155,727.90, 233,446.05 and 121,975.20

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Solution

The fourth proportional to 155,727.90, 233,446.05 and 121,975.20 is: 182,848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,727.90 : 233,446.05 = 121,975.20 : x
  2. Step 2: Convert to fraction form
    155,727.90/233,446.05 = 121,975.20/x
  3. Step 3: Cross multiply
    155,727.90x = 233,446.05 × 121,975.20
  4. Step 4: Simplify right side
    155,727.90x = 28,474,628,637.96
  5. Step 5: Solve for x
    x = 28,474,628,637.96/155,727.90
  6. Step 6: Final answer
    x = 182,848.60

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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.