Home / 202,952.04-280,087.84-112,311.80

Finding the Fourth Proportional to 202,952.04, 280,087.84 and 112,311.80

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Solution

The fourth proportional to 202,952.04, 280,087.84 and 112,311.80 is: 154,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,952.04 : 280,087.84 = 112,311.80 : x
  2. Step 2: Convert to fraction form
    202,952.04/280,087.84 = 112,311.80/x
  3. Step 3: Cross multiply
    202,952.04x = 280,087.84 × 112,311.80
  4. Step 4: Simplify right side
    202,952.04x = 31,457,169,468.51
  5. Step 5: Solve for x
    x = 31,457,169,468.51/202,952.04
  6. Step 6: Final answer
    x = 154,998.05

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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.