Home / 175,864.72-242,688.04-100,398.48

Finding the Fourth Proportional to 175,864.72, 242,688.04 and 100,398.48

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Solution

The fourth proportional to 175,864.72, 242,688.04 and 100,398.48 is: 138,546.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,864.72 : 242,688.04 = 100,398.48 : x
  2. Step 2: Convert to fraction form
    175,864.72/242,688.04 = 100,398.48/x
  3. Step 3: Cross multiply
    175,864.72x = 242,688.04 × 100,398.48
  4. Step 4: Simplify right side
    175,864.72x = 24,365,510,330.18
  5. Step 5: Solve for x
    x = 24,365,510,330.18/175,864.72
  6. Step 6: Final answer
    x = 138,546.89

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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.