Home / 219,284.57-302,612.60-118,682.57

Finding the Fourth Proportional to 219,284.57, 302,612.60 and 118,682.57

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Solution

The fourth proportional to 219,284.57, 302,612.60 and 118,682.57 is: 163,781.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,284.57 : 302,612.60 = 118,682.57 : x
  2. Step 2: Convert to fraction form
    219,284.57/302,612.60 = 118,682.57/x
  3. Step 3: Cross multiply
    219,284.57x = 302,612.60 × 118,682.57
  4. Step 4: Simplify right side
    219,284.57x = 35,914,838,975.91
  5. Step 5: Solve for x
    x = 35,914,838,975.91/219,284.57
  6. Step 6: Final answer
    x = 163,781.88

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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.