Home / 184,985.47-255,281.77-100,104.35

Finding the Fourth Proportional to 184,985.47, 255,281.77 and 100,104.35

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Solution

The fourth proportional to 184,985.47, 255,281.77 and 100,104.35 is: 138,144.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,985.47 : 255,281.77 = 100,104.35 : x
  2. Step 2: Convert to fraction form
    184,985.47/255,281.77 = 100,104.35/x
  3. Step 3: Cross multiply
    184,985.47x = 255,281.77 × 100,104.35
  4. Step 4: Simplify right side
    184,985.47x = 25,554,815,652.70
  5. Step 5: Solve for x
    x = 25,554,815,652.70/184,985.47
  6. Step 6: Final answer
    x = 138,144.99

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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.