Home / 144,133.35-198,888.93-83,692.21

Finding the Fourth Proportional to 144,133.35, 198,888.93 and 83,692.21

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Solution

The fourth proportional to 144,133.35, 198,888.93 and 83,692.21 is: 115,486.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,133.35 : 198,888.93 = 83,692.21 : x
  2. Step 2: Convert to fraction form
    144,133.35/198,888.93 = 83,692.21/x
  3. Step 3: Cross multiply
    144,133.35x = 198,888.93 × 83,692.21
  4. Step 4: Simplify right side
    144,133.35x = 16,645,453,599.01
  5. Step 5: Solve for x
    x = 16,645,453,599.01/144,133.35
  6. Step 6: Final answer
    x = 115,486.49

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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.