Home / 236,837.68-326,980.80-154,130.47

Finding the Fourth Proportional to 236,837.68, 326,980.80 and 154,130.47

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Solution

The fourth proportional to 236,837.68, 326,980.80 and 154,130.47 is: 212,794.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,837.68 : 326,980.80 = 154,130.47 : x
  2. Step 2: Convert to fraction form
    236,837.68/326,980.80 = 154,130.47/x
  3. Step 3: Cross multiply
    236,837.68x = 326,980.80 × 154,130.47
  4. Step 4: Simplify right side
    236,837.68x = 50,397,701,979.42
  5. Step 5: Solve for x
    x = 50,397,701,979.42/236,837.68
  6. Step 6: Final answer
    x = 212,794.28

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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.