Home / 211,333.92-291,646.38-119,445.90

Finding the Fourth Proportional to 211,333.92, 291,646.38 and 119,445.90

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Solution

The fourth proportional to 211,333.92, 291,646.38 and 119,445.90 is: 164,838.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,333.92 : 291,646.38 = 119,445.90 : x
  2. Step 2: Convert to fraction form
    211,333.92/291,646.38 = 119,445.90/x
  3. Step 3: Cross multiply
    211,333.92x = 291,646.38 × 119,445.90
  4. Step 4: Simplify right side
    211,333.92x = 34,835,964,340.84
  5. Step 5: Solve for x
    x = 34,835,964,340.84/211,333.92
  6. Step 6: Final answer
    x = 164,838.49

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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.