Home / 143,860.80-198,612.96-127,901.10

Finding the Fourth Proportional to 143,860.80, 198,612.96 and 127,901.10

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Solution

The fourth proportional to 143,860.80, 198,612.96 and 127,901.10 is: 176,579.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,860.80 : 198,612.96 = 127,901.10 : x
  2. Step 2: Convert to fraction form
    143,860.80/198,612.96 = 127,901.10/x
  3. Step 3: Cross multiply
    143,860.80x = 198,612.96 × 127,901.10
  4. Step 4: Simplify right side
    143,860.80x = 25,402,816,058.26
  5. Step 5: Solve for x
    x = 25,402,816,058.26/143,860.80
  6. Step 6: Final answer
    x = 176,579.14

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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.