Home / 121,924.59-182,964.65-51,803.91

Finding the Fourth Proportional to 121,924.59, 182,964.65 and 51,803.91

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Solution

The fourth proportional to 121,924.59, 182,964.65 and 51,803.91 is: 77,738.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,924.59 : 182,964.65 = 51,803.91 : x
  2. Step 2: Convert to fraction form
    121,924.59/182,964.65 = 51,803.91/x
  3. Step 3: Cross multiply
    121,924.59x = 182,964.65 × 51,803.91
  4. Step 4: Simplify right side
    121,924.59x = 9,478,284,261.78
  5. Step 5: Solve for x
    x = 9,478,284,261.78/121,924.59
  6. Step 6: Final answer
    x = 77,738.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.