Home / 157,884.79-236,864.13-107,988.40

Finding the Fourth Proportional to 157,884.79, 236,864.13 and 107,988.40

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Solution

The fourth proportional to 157,884.79, 236,864.13 and 107,988.40 is: 162,007.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,884.79 : 236,864.13 = 107,988.40 : x
  2. Step 2: Convert to fraction form
    157,884.79/236,864.13 = 107,988.40/x
  3. Step 3: Cross multiply
    157,884.79x = 236,864.13 × 107,988.40
  4. Step 4: Simplify right side
    157,884.79x = 25,578,578,416.09
  5. Step 5: Solve for x
    x = 25,578,578,416.09/157,884.79
  6. Step 6: Final answer
    x = 162,007.87

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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.