Home / 168,521.52-232,561.08-93,071.28

Finding the Fourth Proportional to 168,521.52, 232,561.08 and 93,071.28

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Solution

The fourth proportional to 168,521.52, 232,561.08 and 93,071.28 is: 128,439.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,521.52 : 232,561.08 = 93,071.28 : x
  2. Step 2: Convert to fraction form
    168,521.52/232,561.08 = 93,071.28/x
  3. Step 3: Cross multiply
    168,521.52x = 232,561.08 × 93,071.28
  4. Step 4: Simplify right side
    168,521.52x = 21,644,757,393.78
  5. Step 5: Solve for x
    x = 21,644,757,393.78/168,521.52
  6. Step 6: Final answer
    x = 128,439.13

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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.