Home / 185,271.86-255,675.22-100,388.93

Finding the Fourth Proportional to 185,271.86, 255,675.22 and 100,388.93

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Solution

The fourth proportional to 185,271.86, 255,675.22 and 100,388.93 is: 138,536.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,271.86 : 255,675.22 = 100,388.93 : x
  2. Step 2: Convert to fraction form
    185,271.86/255,675.22 = 100,388.93/x
  3. Step 3: Cross multiply
    185,271.86x = 255,675.22 × 100,388.93
  4. Step 4: Simplify right side
    185,271.86x = 25,666,960,233.97
  5. Step 5: Solve for x
    x = 25,666,960,233.97/185,271.86
  6. Step 6: Final answer
    x = 138,536.74

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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.