Home / 219,108.38-302,369.58-118,506.38

Finding the Fourth Proportional to 219,108.38, 302,369.58 and 118,506.38

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Solution

The fourth proportional to 219,108.38, 302,369.58 and 118,506.38 is: 163,538.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,108.38 : 302,369.58 = 118,506.38 : x
  2. Step 2: Convert to fraction form
    219,108.38/302,369.58 = 118,506.38/x
  3. Step 3: Cross multiply
    219,108.38x = 302,369.58 × 118,506.38
  4. Step 4: Simplify right side
    219,108.38x = 35,832,722,836.07
  5. Step 5: Solve for x
    x = 35,832,722,836.07/219,108.38
  6. Step 6: Final answer
    x = 163,538.81

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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.