Home / 172,344.10-258,710.55-133,075.30

Finding the Fourth Proportional to 172,344.10, 258,710.55 and 133,075.30

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Solution

The fourth proportional to 172,344.10, 258,710.55 and 133,075.30 is: 199,763.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,344.10 : 258,710.55 = 133,075.30 : x
  2. Step 2: Convert to fraction form
    172,344.10/258,710.55 = 133,075.30/x
  3. Step 3: Cross multiply
    172,344.10x = 258,710.55 × 133,075.30
  4. Step 4: Simplify right side
    172,344.10x = 34,427,984,054.42
  5. Step 5: Solve for x
    x = 34,427,984,054.42/172,344.10
  6. Step 6: Final answer
    x = 199,763.06

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1.5x scale

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.