Home / 168,239.55-232,195.77-107,878.35

Finding the Fourth Proportional to 168,239.55, 232,195.77 and 107,878.35

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Solution

The fourth proportional to 168,239.55, 232,195.77 and 107,878.35 is: 148,888.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,239.55 : 232,195.77 = 107,878.35 : x
  2. Step 2: Convert to fraction form
    168,239.55/232,195.77 = 107,878.35/x
  3. Step 3: Cross multiply
    168,239.55x = 232,195.77 × 107,878.35
  4. Step 4: Simplify right side
    168,239.55x = 25,048,896,005.19
  5. Step 5: Solve for x
    x = 25,048,896,005.19/168,239.55
  6. Step 6: Final answer
    x = 148,888.27

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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.