Home / 144,075.24-198,812.87-83,636.15

Finding the Fourth Proportional to 144,075.24, 198,812.87 and 83,636.15

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Solution

The fourth proportional to 144,075.24, 198,812.87 and 83,636.15 is: 115,411.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,075.24 : 198,812.87 = 83,636.15 : x
  2. Step 2: Convert to fraction form
    144,075.24/198,812.87 = 83,636.15/x
  3. Step 3: Cross multiply
    144,075.24x = 198,812.87 × 83,636.15
  4. Step 4: Simplify right side
    144,075.24x = 16,627,943,017.25
  5. Step 5: Solve for x
    x = 16,627,943,017.25/144,075.24
  6. Step 6: Final answer
    x = 115,411.52

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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.