Home / 215,403.35-297,261.86-119,916.50

Finding the Fourth Proportional to 215,403.35, 297,261.86 and 119,916.50

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Solution

The fourth proportional to 215,403.35, 297,261.86 and 119,916.50 is: 165,487.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,403.35 : 297,261.86 = 119,916.50 : x
  2. Step 2: Convert to fraction form
    215,403.35/297,261.86 = 119,916.50/x
  3. Step 3: Cross multiply
    215,403.35x = 297,261.86 × 119,916.50
  4. Step 4: Simplify right side
    215,403.35x = 35,646,599,748.80
  5. Step 5: Solve for x
    x = 35,646,599,748.80/215,403.35
  6. Step 6: Final answer
    x = 165,487.68

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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.