Home / 211,924.79-292,499.18-130,215.83

Finding the Fourth Proportional to 211,924.79, 292,499.18 and 130,215.83

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Solution

The fourth proportional to 211,924.79, 292,499.18 and 130,215.83 is: 179,724.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,924.79 : 292,499.18 = 130,215.83 : x
  2. Step 2: Convert to fraction form
    211,924.79/292,499.18 = 130,215.83/x
  3. Step 3: Cross multiply
    211,924.79x = 292,499.18 × 130,215.83
  4. Step 4: Simplify right side
    211,924.79x = 38,088,021,384.44
  5. Step 5: Solve for x
    x = 38,088,021,384.44/211,924.79
  6. Step 6: Final answer
    x = 179,724.24

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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.