Home / 172,410.18-237,922.33-99,816.13

Finding the Fourth Proportional to 172,410.18, 237,922.33 and 99,816.13

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Solution

The fourth proportional to 172,410.18, 237,922.33 and 99,816.13 is: 137,744.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,410.18 : 237,922.33 = 99,816.13 : x
  2. Step 2: Convert to fraction form
    172,410.18/237,922.33 = 99,816.13/x
  3. Step 3: Cross multiply
    172,410.18x = 237,922.33 × 99,816.13
  4. Step 4: Simplify right side
    172,410.18x = 23,748,486,221.18
  5. Step 5: Solve for x
    x = 23,748,486,221.18/172,410.18
  6. Step 6: Final answer
    x = 137,744.11

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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.