Home / 211,711.32-292,154.06-119,828.63

Finding the Fourth Proportional to 211,711.32, 292,154.06 and 119,828.63

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Solution

The fourth proportional to 211,711.32, 292,154.06 and 119,828.63 is: 165,359.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,711.32 : 292,154.06 = 119,828.63 : x
  2. Step 2: Convert to fraction form
    211,711.32/292,154.06 = 119,828.63/x
  3. Step 3: Cross multiply
    211,711.32x = 292,154.06 × 119,828.63
  4. Step 4: Simplify right side
    211,711.32x = 35,008,421,788.69
  5. Step 5: Solve for x
    x = 35,008,421,788.69/211,711.32
  6. Step 6: Final answer
    x = 165,359.23

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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.