Home / 185,009.07-255,312.48-100,126.11

Finding the Fourth Proportional to 185,009.07, 255,312.48 and 100,126.11

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Solution

The fourth proportional to 185,009.07, 255,312.48 and 100,126.11 is: 138,174.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,009.07 : 255,312.48 = 100,126.11 : x
  2. Step 2: Convert to fraction form
    185,009.07/255,312.48 = 100,126.11/x
  3. Step 3: Cross multiply
    185,009.07x = 255,312.48 × 100,126.11
  4. Step 4: Simplify right side
    185,009.07x = 25,563,445,456.85
  5. Step 5: Solve for x
    x = 25,563,445,456.85/185,009.07
  6. Step 6: Final answer
    x = 138,174.01

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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.