Home / 152,943.29-211,055.88-84,964.55

Finding the Fourth Proportional to 152,943.29, 211,055.88 and 84,964.55

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Solution

The fourth proportional to 152,943.29, 211,055.88 and 84,964.55 is: 117,247.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,943.29 : 211,055.88 = 84,964.55 : x
  2. Step 2: Convert to fraction form
    152,943.29/211,055.88 = 84,964.55/x
  3. Step 3: Cross multiply
    152,943.29x = 211,055.88 × 84,964.55
  4. Step 4: Simplify right side
    152,943.29x = 17,932,266,654.47
  5. Step 5: Solve for x
    x = 17,932,266,654.47/152,943.29
  6. Step 6: Final answer
    x = 117,247.82

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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.