Home / 219,520.14-302,937.75-118,918.14

Finding the Fourth Proportional to 219,520.14, 302,937.75 and 118,918.14

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Solution

The fourth proportional to 219,520.14, 302,937.75 and 118,918.14 is: 164,107.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,520.14 : 302,937.75 = 118,918.14 : x
  2. Step 2: Convert to fraction form
    219,520.14/302,937.75 = 118,918.14/x
  3. Step 3: Cross multiply
    219,520.14x = 302,937.75 × 118,918.14
  4. Step 4: Simplify right side
    219,520.14x = 36,024,793,765.79
  5. Step 5: Solve for x
    x = 36,024,793,765.79/219,520.14
  6. Step 6: Final answer
    x = 164,107.01

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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.