Home / 219,403.20-302,777.60-118,801.12

Finding the Fourth Proportional to 219,403.20, 302,777.60 and 118,801.12

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Solution

The fourth proportional to 219,403.20, 302,777.60 and 118,801.12 is: 163,946.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,403.20 : 302,777.60 = 118,801.12 : x
  2. Step 2: Convert to fraction form
    219,403.20/302,777.60 = 118,801.12/x
  3. Step 3: Cross multiply
    219,403.20x = 302,777.60 × 118,801.12
  4. Step 4: Simplify right side
    219,403.20x = 35,970,317,990.91
  5. Step 5: Solve for x
    x = 35,970,317,990.91/219,403.20
  6. Step 6: Final answer
    x = 163,946.19

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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.