Home / 255,027.03-382,376.52-121,904.34

Finding the Fourth Proportional to 255,027.03, 382,376.52 and 121,904.34

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Solution

The fourth proportional to 255,027.03, 382,376.52 and 121,904.34 is: 182,778.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,027.03 : 382,376.52 = 121,904.34 : x
  2. Step 2: Convert to fraction form
    255,027.03/382,376.52 = 121,904.34/x
  3. Step 3: Cross multiply
    255,027.03x = 382,376.52 × 121,904.34
  4. Step 4: Simplify right side
    255,027.03x = 46,613,357,302.10
  5. Step 5: Solve for x
    x = 46,613,357,302.10/255,027.03
  6. Step 6: Final answer
    x = 182,778.11

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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.