Home / 171,941.83-257,829.77-72,075.20

Finding the Fourth Proportional to 171,941.83, 257,829.77 and 72,075.20

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Solution

The fourth proportional to 171,941.83, 257,829.77 and 72,075.20 is: 108,078.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,941.83 : 257,829.77 = 72,075.20 : x
  2. Step 2: Convert to fraction form
    171,941.83/257,829.77 = 72,075.20/x
  3. Step 3: Cross multiply
    171,941.83x = 257,829.77 × 72,075.20
  4. Step 4: Simplify right side
    171,941.83x = 18,583,133,566.40
  5. Step 5: Solve for x
    x = 18,583,133,566.40/171,941.83
  6. Step 6: Final answer
    x = 108,078.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.