Home / 180,893.35-249,647.77-100,346.85

Finding the Fourth Proportional to 180,893.35, 249,647.77 and 100,346.85

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Solution

The fourth proportional to 180,893.35, 249,647.77 and 100,346.85 is: 138,486.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,893.35 : 249,647.77 = 100,346.85 : x
  2. Step 2: Convert to fraction form
    180,893.35/249,647.77 = 100,346.85/x
  3. Step 3: Cross multiply
    180,893.35x = 249,647.77 × 100,346.85
  4. Step 4: Simplify right side
    180,893.35x = 25,051,367,454.46
  5. Step 5: Solve for x
    x = 25,051,367,454.46/180,893.35
  6. Step 6: Final answer
    x = 138,486.94

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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.