Home / 215,289.58-297,102.31-118,504.62

Finding the Fourth Proportional to 215,289.58, 297,102.31 and 118,504.62

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Solution

The fourth proportional to 215,289.58, 297,102.31 and 118,504.62 is: 163,537.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,289.58 : 297,102.31 = 118,504.62 : x
  2. Step 2: Convert to fraction form
    215,289.58/297,102.31 = 118,504.62/x
  3. Step 3: Cross multiply
    215,289.58x = 297,102.31 × 118,504.62
  4. Step 4: Simplify right side
    215,289.58x = 35,207,996,347.67
  5. Step 5: Solve for x
    x = 35,207,996,347.67/215,289.58
  6. Step 6: Final answer
    x = 163,537.86

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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.