Home / 168,946.80-232,878.56-133,080

Finding the Fourth Proportional to 168,946.80, 232,878.56 and 133,080

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Solution

The fourth proportional to 168,946.80, 232,878.56 and 133,080 is: 183,439.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,946.80 : 232,878.56 = 133,080 : x
  2. Step 2: Convert to fraction form
    168,946.80/232,878.56 = 133,080/x
  3. Step 3: Cross multiply
    168,946.80x = 232,878.56 × 133,080
  4. Step 4: Simplify right side
    168,946.80x = 30,991,478,764.80
  5. Step 5: Solve for x
    x = 30,991,478,764.80/168,946.80
  6. Step 6: Final answer
    x = 183,439.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.