Home / 171,038.80-236,054.08-99,418.84

Finding the Fourth Proportional to 171,038.80, 236,054.08 and 99,418.84

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Solution

The fourth proportional to 171,038.80, 236,054.08 and 99,418.84 is: 137,209.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,038.80 : 236,054.08 = 99,418.84 : x
  2. Step 2: Convert to fraction form
    171,038.80/236,054.08 = 99,418.84/x
  3. Step 3: Cross multiply
    171,038.80x = 236,054.08 × 99,418.84
  4. Step 4: Simplify right side
    171,038.80x = 23,468,222,810.87
  5. Step 5: Solve for x
    x = 23,468,222,810.87/171,038.80
  6. Step 6: Final answer
    x = 137,209.94

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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.