Home / 172,424.80-237,899.73-100,822.42

Finding the Fourth Proportional to 172,424.80, 237,899.73 and 100,822.42

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Solution

The fourth proportional to 172,424.80, 237,899.73 and 100,822.42 is: 139,107.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,424.80 : 237,899.73 = 100,822.42 : x
  2. Step 2: Convert to fraction form
    172,424.80/237,899.73 = 100,822.42/x
  3. Step 3: Cross multiply
    172,424.80x = 237,899.73 × 100,822.42
  4. Step 4: Simplify right side
    172,424.80x = 23,985,626,495.95
  5. Step 5: Solve for x
    x = 23,985,626,495.95/172,424.80
  6. Step 6: Final answer
    x = 139,107.75

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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.