Home / 172,975.66-238,701-101,403.36

Finding the Fourth Proportional to 172,975.66, 238,701 and 101,403.36

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Solution

The fourth proportional to 172,975.66, 238,701 and 101,403.36 is: 139,933.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,975.66 : 238,701 = 101,403.36 : x
  2. Step 2: Convert to fraction form
    172,975.66/238,701 = 101,403.36/x
  3. Step 3: Cross multiply
    172,975.66x = 238,701 × 101,403.36
  4. Step 4: Simplify right side
    172,975.66x = 24,205,083,435.36
  5. Step 5: Solve for x
    x = 24,205,083,435.36/172,975.66
  6. Step 6: Final answer
    x = 139,933.46

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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.