Home / 172,566.04-258,741.84-72,674.80

Finding the Fourth Proportional to 172,566.04, 258,741.84 and 72,674.80

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Solution

The fourth proportional to 172,566.04, 258,741.84 and 72,674.80 is: 108,967.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,566.04 : 258,741.84 = 72,674.80 : x
  2. Step 2: Convert to fraction form
    172,566.04/258,741.84 = 72,674.80/x
  3. Step 3: Cross multiply
    172,566.04x = 258,741.84 × 72,674.80
  4. Step 4: Simplify right side
    172,566.04x = 18,804,011,473.63
  5. Step 5: Solve for x
    x = 18,804,011,473.63/172,566.04
  6. Step 6: Final answer
    x = 108,967.05

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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.