Home / 177,971.24-245,600.12-100,463.19

Finding the Fourth Proportional to 177,971.24, 245,600.12 and 100,463.19

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Solution

The fourth proportional to 177,971.24, 245,600.12 and 100,463.19 is: 138,639.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,971.24 : 245,600.12 = 100,463.19 : x
  2. Step 2: Convert to fraction form
    177,971.24/245,600.12 = 100,463.19/x
  3. Step 3: Cross multiply
    177,971.24x = 245,600.12 × 100,463.19
  4. Step 4: Simplify right side
    177,971.24x = 24,673,771,017.27
  5. Step 5: Solve for x
    x = 24,673,771,017.27/177,971.24
  6. Step 6: Final answer
    x = 138,639.10

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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.