Home / 168,802.30-253,327.86-80,056.06

Finding the Fourth Proportional to 168,802.30, 253,327.86 and 80,056.06

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Solution

The fourth proportional to 168,802.30, 253,327.86 and 80,056.06 is: 120,143.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,802.30 : 253,327.86 = 80,056.06 : x
  2. Step 2: Convert to fraction form
    168,802.30/253,327.86 = 80,056.06/x
  3. Step 3: Cross multiply
    168,802.30x = 253,327.86 × 80,056.06
  4. Step 4: Simplify right side
    168,802.30x = 20,280,430,359.83
  5. Step 5: Solve for x
    x = 20,280,430,359.83/168,802.30
  6. Step 6: Final answer
    x = 120,143.09

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1.5x scale

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.