Home / 219,558.40-302,990.88-118,956.32

Finding the Fourth Proportional to 219,558.40, 302,990.88 and 118,956.32

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Solution

The fourth proportional to 219,558.40, 302,990.88 and 118,956.32 is: 164,159.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,558.40 : 302,990.88 = 118,956.32 : x
  2. Step 2: Convert to fraction form
    219,558.40/302,990.88 = 118,956.32/x
  3. Step 3: Cross multiply
    219,558.40x = 302,990.88 × 118,956.32
  4. Step 4: Simplify right side
    219,558.40x = 36,042,680,078.36
  5. Step 5: Solve for x
    x = 36,042,680,078.36/219,558.40
  6. Step 6: Final answer
    x = 164,159.88

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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.