Home / 171,219.07-236,508.08-131,424.58

Finding the Fourth Proportional to 171,219.07, 236,508.08 and 131,424.58

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Solution

The fourth proportional to 171,219.07, 236,508.08 and 131,424.58 is: 181,539.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,219.07 : 236,508.08 = 131,424.58 : x
  2. Step 2: Convert to fraction form
    171,219.07/236,508.08 = 131,424.58/x
  3. Step 3: Cross multiply
    171,219.07x = 236,508.08 × 131,424.58
  4. Step 4: Simplify right side
    171,219.07x = 31,082,975,080.61
  5. Step 5: Solve for x
    x = 31,082,975,080.61/171,219.07
  6. Step 6: Final answer
    x = 181,539.21

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1.5x scale

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.